0.79 ×0.46+7.9 ×0.24+11.4×0.079 怎样算简便
问答/238℃/2024-02-22 11:40:03
优质解答：
0.79×0.46+7.9×0.24+11.4×0.079
=0.79×0.46+0.79×2.4+1.14×0.79
=0.79×（0.46+2.4+1.14）
=0.79×4
=3.16
问答/238℃/2024-02-22 11:40:03
0.79×0.46+7.9×0.24+11.4×0.079
=0.79×0.46+0.79×2.4+1.14×0.79
=0.79×（0.46+2.4+1.14）
=0.79×4
=3.16