4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8=
6×3.4= 0.62－0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9÷0.25÷4= 0.25×3.97×4= （1.2＋8.8）×0.4=
50＋160÷40 （58+370）÷（64-45）
32.120-144÷18+35
33.347+45×2-4160÷52
34（58+37）÷（64-9×5）
35.95÷（64-45）
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷（9+31×11） （136+64）×（65-345÷23）
38.85+14×（14+208÷26）
23) 1.2×2.5+0.8×2.5
24) 8.9×1.25-0.9×1.25
25) 12.5×7.4×0.8
26) 9.9×6.4-（2.5+0.24）
（27） 6.5×9.5+6.5×0.5
0.35×1.6+0.35×3.4
6.72-3.28-1.72
0.45+6.37+4.55
5.4+6.9×3-（25-2.5）2×41846-620-380
4.8×46+4.8×54
0.8+0.8×2.5
1.25×3.6×8×2.5-12.5×2.4
28×12.5-12.5×20
23.65-（3.07+3.65）
（4+0.4×0.25）8×7×1.25
1.65×99+1.65
27.85-（7.85+3.4）
48×1.25+50×1.25×0.2×8
7.8×9.9+0.78
(1010+309+4+681+6）×12
3×9146×782×6×854
5.15×7/8+6.1-0.60625
39.（284+16）×（512-8208÷18）
40.120-36×4÷18+35
41.（58+37）÷（64-9×5）
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×（4.8-1.2×4）= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×（3.87-0.13）+4.2×3.74
50.32.52-（6+9.728÷3.2）×2.5
51.[（7.1-5.6）×0.9-1.15] ÷2.5
52.5.4÷[2.6×（3.7-2.9）+0.62]
53.12×6÷（12-7.2）-6 （4）12×6÷7.2-6
方程：
88x+43=8579 x=97
36x+58=2974 x=81
13x+25=1247 x=94
89x-31=4063 x=46
27x+40=445 x=15
83x-90=1653 x=21
29x-35=545 x=20
97x+81=954 x=9
50x-99=3101 x=64
80x+17=1777 x=22
17x-37=609 x=38
88x+30=2758 x=31
80x+85=565 x=6
49x+43=827 x=16
99x-98=6139 x=63
95x+94=1044 x=10
62x+77=6153 x=98
38x-15=2037 x=54
44x+23=1387 x=31
83x-38=4444 x=54
60x+83=3203 x=52
21x+90=489 x=19
22x+23=2135 x=96
37x+28=509 x=13
67x+39=5466 x=81
92x+67=1079 x=11
38x+45=2021 x=52
64x-67=2813 x=45
5x-96=94 x=38
84x-56=4732 x=57
26x-61=2513 x=99
9x+86=500 x=46
9x-48=744 x=88
43x-94=637 x=17
38x-69=2933 x=79
23x-40=696 x=32
48x-92=1684 x=37
39x+52=2470 x=62
56x-86=2770 x=51
96x+95=3935 x=40
21x-70=1988 x=98
72x+15=7071 x=98
83x-63=7656 x=93
47x+64=1944 x=40
38x+38=1178 x=30
68x+91=4103 x=59
53x+65=1443 x=26
5x-67=48 x=23
46x-74=4112 x=91
74x-34=6700 x=91
3.4-1.4= 7.82-7.2= 2.19+9.1= 10.1-0.89= 0.68+0.42= 8.1-5.1= 0.728-0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52= 5×400= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10= 75÷10= 0.96÷0.8= 0.8×7= 1.5×7= 1.32×8= 0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2= 2.01×0= 10×0.05= 0.13×7= 0.21×100=
0.7×4= 0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09= 7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09= 0.2+0.78= 600×700= 10.2+0.02= 0.15+0.7= 670+250= 10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38=
7500÷250= 3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3= 630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53= 9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3= 125×80= 0.078÷10= 0.52+0.4= 70×12=
0.25×100= 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 0.5×1000= .82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000= 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8= 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6= 0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3= 8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 0.35×0.6= 3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5= 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2= 4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8= 0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8= 1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25= 55
12.70+45=115
13.90×2= 180
14.16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120×25= 3000
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
39.23×11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62.85÷17 = 5
63.90÷15 =6
64.96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 =10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 =15
79.400+80 = 480
80.400-80 = 320
81.40×80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160×5= 800
86.4×250= 1000
87.0×518= 0
88.10×76= 760
89.36×10=360
90.15×6= 90
91.24×3= 72
92.5×18= 90
93.26×4= 74
94.7×15=105
95.32×30= 960
96.40×15= 600
97.60×12= 720
98.23×30= 690
99.30×50=1500
100.5×700=3500
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25= 55
12.70+45=115
13.90×2= 180
14.16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120×25= 3000
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
39.23×11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62.85÷17 = 5
63.90÷15 =6
64.96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 =10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 =15
79.400+80 = 480
80.400-80 = 320
81.40×80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160×5= 800
86.4×250= 1000
87.0×518= 0
88.10×76= 760
89.36×10=360
90.15×6= 90
91.24×3= 72
92.5×18= 90
93.26×4= 74
94.7×15=105
95.32×30= 960
96.40×15= 600
97.60×12= 720
98.23×30= 690
99.30×50=1500
100.5×700=3500
1+1=1+2=1+3=1+4=1+5=1+6=
4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8=
6×3.4= 0.62－0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9÷0.25÷4= 0.25×3.97×4= （1.2＋8.8）×0.4=
50＋160÷40 （58+370）÷（64-45）
32.120-144÷18+35
33.347+45×2-4160÷52
34（58+37）÷（64-9×5）
35.95÷（64-45）
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷（9+31×11） （136+64）×（65-345÷23）
38.85+14×（14+208÷26）
23) 1.2×2.5+0.8×2.5
24) 8.9×1.25-0.9×1.25
4.7+2.3= 4.5×2= 6.9－2.5= 7.2×0.8=
6×3.4= 0.62－0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7－3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9÷0.25÷4= 0.25×3.97×4= （1.2＋8.8）×0.4=
7200÷800= 0.17+0.6= 0.83-0.6=
17×300= 0.98-0.09= 0.2+0.78=
600×700= 10.2+0.02= 0.15+0.7=
670+250= 10.2+0.2= 9.2-6=
8500÷500= 3.2-3.2= 3.7+2.3=
25×100= 3.2-0.32= 2+2.8=
380-290= 0.35+0.5= 0.35+0.63=
3500÷70= 3.1+3= 3.8+0.38=
7500÷250= 3.8+1= 0.95-0.05=
450+780= 3.1+0.3= 3+0.3=
630÷9= 4.5-0.4= 9.5-5=
330×9= 9.53-1.53= 9.5-0.5=
3.5+2.4= 1-0.95= 0.3+0.27=
0.47+0.13= 4.5+4= 4-0.6=
0.95+0.05= 2.5+3.2= 0.74+0.16=
23×100= 9.8-4.8= 480÷40=
0.53÷100= 5.1+2.3= 125×80=
0.078÷10= 0.52+0.4= 70×12=
0.25×100= 3.4-2.8= 0.6-0.37=
0.052×10= 10+0.08= 1-0.75=
0.5×1000= 7.82+0.3= 13.5+6.5=
3.05×100= 1.2-0.8= 21.6-12.6=
63÷100= 0.83-0.5= 0.76+0.14=
80÷1000= 2.7+0.4= 0.72-0.43=
30×100= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.61=
0.47+0.23= 0.25+0.75= 3.7+0.33=
0.51+0.33= 1-0.6= 8-4.6=
5.8-3.6= 0.52+0.4= 6.45+5.5=
4.5-1.3= 3.4-2.8= 9.53-1.53=
8.8-6.7= 10+0.08= 9.5-7.3=
7.2+0.8= 7.82+0.3= 8.8-6.7=
9.5-7.3= 1-0.95= 3.4-2.8=
0.96-0.35= 9.53-1.53= 0.25+0.75=
1.2-0.8= 0.83-0.5= 2.7+0
1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25= 55
12.70+45=115
13.90×2= 180
14.16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120×25= 3000
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
39.23×11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62.85÷17 = 5
63.90÷15 =6
64.96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 =10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 =15
79.400+80 = 480
80.400-80 = 320
81.40×80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160×5= 800
86.4×250= 1000
87.0×518= 0
88.10×76= 760
89.36×10=360
90.15×6= 90
91.24×3= 72
92.5×18= 90
93.26×4= 74
94.7×15=105
95.32×30= 960
96.40×15= 600
97.60×12= 720
98.23×30= 690
99.30×50=1500
100.5×700=3500
50＋160÷40 （58+370）÷（64-45）
32.120-144÷18+35
33.347+45×2-4160÷52
34（58+37）÷（64-9×5）
35.95÷（64-45）
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷（9+31×11） （136+64）×（65-345÷23）
38.85+14×（14+208÷26）
23) 1.2×2.5+0.8×2.5
24) 8.9×1.25-0.9×1.25
25) 12.5×7.4×0.8
26) 9.9×6.4-（2.5+0.24）
（27） 6.5×9.5+6.5×0.5
0.35×1.6+0.35×3.4
6.72-3.28-1.72
0.45+6.37+4.55
5.4+6.9×3-（25-2.5）2×41846-620-380
4.8×46+4.8×54
0.8+0.8×2.5
1.25×3.6×8×2.5-12.5×2.4
28×12.5-12.5×20
23.65-（3.07+3.65）
（4+0.4×0.25）8×7×1.25
1.65×99+1.65
27.85-（7.85+3.4）
48×1.25+50×1.25×0.2×8
7.8×9.9+0.78
(1010+309+4+681+6）×12
3×9146×782×6×854
5.15×7/8+6.1-0.60625
39.（284+16）×（512-8208÷18）
40.120-36×4÷18+35
41.（58+37）÷（64-9×5）
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×（4.8-1.2×4）= 0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×（3.87-0.13）+4.2×3.74
50.32.52-（6+9.728÷3.2）×2.5
51.[（7.1-5.6）×0.9-1.15] ÷2.5
52.5.4÷[2.6×（3.7-2.9）+0.62]
53.12×6÷（12-7.2）-6 （4）12×6÷7.2-6
方程：
88x+43=8579 x=97
36x+58=2974 x=81
13x+25=1247 x=94
89x-31=4063 x=46
27x+40=445 x=15
83x-90=1653 x=21
29x-35=545 x=20
97x+81=954 x=9
50x-99=3101 x=64
80x+17=1777 x=22
17x-37=609 x=38
88x+30=2758 x=31
80x+85=565 x=6
49x+43=827 x=16
99x-98=6139 x=63
95x+94=1044 x=10
62x+77=6153 x=98
38x-15=2037 x=54
44x+23=1387 x=31
83x-38=4444 x=54
60x+83=3203 x=52
21x+90=489 x=19
22x+23=2135 x=96
37x+28=509 x=13
67x+39=5466 x=81
92x+67=1079 x=11
38x+45=2021 x=52
64x-67=2813 x=45
5x-96=94 x=38
84x-56=4732 x=57
26x-61=2513 x=99
9x+86=500 x=46
9x-48=744 x=88
43x-94=637 x=17
38x-69=2933 x=79
23x-40=696 x=32
48x-92=1684 x=37
39x+52=2470 x=62
56x-86=2770 x=51
96x+95=3935 x=40
21x-70=1988 x=98
72x+15=7071 x=98
83x-63=7656 x=93
47x+64=1944 x=40
38x+38=1178 x=30
68x+91=4103 x=59
53x+65=1443 x=26
5x-67=48 x=23
46x-74=4112 x=91
74x-34=6700 x=91
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