3.6×5.9+36×0.41简便计算
解:原式=3.6×5.9+3.6×10×0.41
=3.6×(5.9+10×0.41)
=3.6×(5.9+4.1)
=3.6×10
=36
分析:
运用乘法结合律计算
解:依题意得算式,
3.6×5.9+36×0.41
=36×0.59+36×0.41
=36×(0.59+0.41)
=36×1
=36
即3.6×5.9+36×0.41=36
3.6×5.9+36×0.41
=3.6×5.9+3.6×4.1
=3.6×(5.9+4.1)
=3.6×10
=36
3.6x5.9+36x0.41=36x0.59+36x0.41=36x(0.59+0.41)=36x1=36