4.2×7.8+2.5×4.2简便计算
答案:4 悬赏:40 手机版
解决时间 2021-03-05 12:43
- 提问者网友:無理詩人
- 2021-03-04 14:02
4.2×7.8+2.5×4.2简便计算
最佳答案
- 五星知识达人网友:山有枢
- 2021-03-04 14:34
简便计算
4.2×7.8+2.5×4.2
=4.2×(7.8+2.5)
=4.2×10.3
=4.2×10+4.2×0.3
=42+1.26
=43.26
4.2×7.8+2.5×4.2
=4.2×(7.8+2.5)
=4.2×10.3
=4.2×10+4.2×0.3
=42+1.26
=43.26
全部回答
- 1楼网友:几近狂妄
- 2021-03-04 17:26
如图
- 2楼网友:玩家
- 2021-03-04 16:25
4.2×7.8+2.5×4.2
=4.2x(7.8+2.5)
=4.2x(10+0.3)
=4.2x10+4.2x0.3
=42+0.72
=42.72
=4.2x(7.8+2.5)
=4.2x(10+0.3)
=4.2x10+4.2x0.3
=42+0.72
=42.72
- 3楼网友:duile
- 2021-03-04 14:50
4.2×7.8+2.5×4.2
=4.2x(7.8+2.5)
=4.2x(10+0.3)
=4.2x10+4.2x0.3
=42+1.26
=43.26
希望能帮到你!
=4.2x(7.8+2.5)
=4.2x(10+0.3)
=4.2x10+4.2x0.3
=42+1.26
=43.26
希望能帮到你!
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