0.25×0.5×2.4简便计算:
0.25×0.5×2.4
=(0.25×4)×(0.5×0.6)
=1×0.3
=0.3
扩展资料
简算方法
1、加法:
加法交换律a+b=b+a
加法结合律(a+b)+c=a+(b+c)
2、乘法:
乘法交换律a×b=b×a
乘法结合律(a×b)×c=a×(b×c)
乘法分配律(a+b)×c=a×c+b×c
3、减法:
减法的性质a-b-c=a-(b+c)
4、除法:
除法的性质a÷b÷c=a÷(b×c)
0.25×0.5×2.4
=0.25*0.5*4*0.6
=1*0.3
=0.3
满意采纳
0.25×0.5×2.4
=0.25×(2+0.4)×0.5
=(0.5+0.1)×0.5
=0.6×0.5
=0.3
0.25×0.5×2.4
=(0.25×4)×(0.5×0.6)
=1×0.3
=0.3
0.25X4X0.5X0.6
=1X0.3
=0.3