Question

4.28×0.59+0.428×4.1简便方法？

Answer 1

4.28×0.59+0.428×4.1
=4.28×0.59+4.28×0.41
=4.28*（0.59+0.41）
=4.28*1
=4.28

Answer 2

根据题意得可以将0.428x4.1写成4.28x0.41
原式4.28x0.59+0.48x4.1
等于4.28x0.59+4.28x0.41
等于4.28x(0.59+0.41)
等于4.28x1
等于4.28