36乘以0.42加上6.4乘以4.2怎么简便运算
答案:5 悬赏:60 手机版
解决时间 2021-03-07 11:08
- 提问者网友：我是女神我骄傲
- 2021-03-07 02:36
36乘以0.42加上6.4乘以4.2怎么简便运算
最佳答案
- 五星知识达人网友：不如潦草
- 2021-03-07 03:45
36乘以0.42加上6.4乘以4.2
=3.6×4.2+6.4×4.2
=（3.6+6.4）×4.2
=10×4.2
=42
=3.6×4.2+6.4×4.2
=（3.6+6.4）×4.2
=10×4.2
=42
全部回答
- 1楼网友：鱼忧
- 2021-03-07 07:10
36×0.42+6.4×4.2
=36×0.42+6.4×10×0.42
=36×0.42+64×0.42
=0.42×(36+64)
=0.42×100
=42
=36×0.42+6.4×10×0.42
=36×0.42+64×0.42
=0.42×(36+64)
=0.42×100
=42
- 2楼网友：北城痞子
- 2021-03-07 05:56
3.6×4.2+6.4×4.2
=（3.6+6.4）×4.2
=10×4.2
=42
=（3.6+6.4）×4.2
=10×4.2
=42
- 3楼网友：詩光轨車
- 2021-03-07 04:58
36x0.42+6.4x4.2 =3.6x4.2+6.4x4.2
=(3.6+6.4)x4.2
=10x4.2
=42
=(3.6+6.4)x4.2
=10x4.2
=42
- 4楼网友：往事隔山水
- 2021-03-07 04:38
36×0.42+6.4×4.2
=3.6×4.2+6.4×4.2
=4.2×（3.6+6.4）
=4.2×10
=42
=3.6×4.2+6.4×4.2
=4.2×（3.6+6.4）
=4.2×10
=42
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