⑴1/4÷(2/3-3/2×1/3)=1/4÷(2/3-1/2)=1/4÷(4/6-3/6)=1/4÷1/6=1/4x6=6/4=3/2;
⑵24×(1/6+3/8+7/12)=24x1/6+24x3/8+24x7/12=4+9+14=27;
⑶1/8×58+1/8×41+1/8=1/8x(58+41+1)=1/8x100=100/8=12.5.
⑴1/4÷(2/3-3/2×1/3)=3/2
⑵24×(1/6+3/8+7/12)=27
⑶1/8×58+1/8×41+1/8=25/2
(1)1/4÷(2/3-1/2)=1/4÷1/6=3/2
⑵24×1/6+24×3/8+24×7/12
=4+9+14=27
⑶1/8(58+41+1)=1/8×100=25/2
(1)1/4÷(2/3一3/2×1/3)=1/4÷(4/6一3/6)=1/4×6/1=3/2