17.6-7.6×2.3用简便方法计算

Question

如题所述

Answer 1

17.6－7.6×2.3
=17.6－（7.6×2+7.6×0.3）
=17.6－（15.2+2.28）
=17.6－17.48
=0.12
希望能够帮到你，谢谢采纳！

Answer 2

用拆分和合并法简便
17.6－7.6×2.3
=10+7.6－7.6×2.3
=10+7.6×（1－2.3）
=10－7.6×1.3
=10－7.6（1+0.3）
=10－7.6－7.6×0.3
=2.4－7.6×0.3
=0.3×8-7.6×0.3
=0.3×（8－7.6）
=0.12

Answer 3

17.6－7.6×2.3
=17.6－7.6×2－7.6×3÷10
=17.6－15.2－2.28
=2.4－2.28
=0.12