Question

3.5x1.6+9.8的简便计算？

Answer 1

可以改变一下。
算式3.5×2×0.8+10-0.2
等于7×0.8+10-0.2
等于5.6+10-0.2＝15.4。
3.5×1.6+9.8结果一样。

Answer 2

关于算式3.5×1.6+9.8的简便计算，具体的操作如下：
3.5×1.6+9.8
=0.5×7×4×0.4+9.8
=0.5×4×7×0.4+9.8
=2×2.8+9.8
=5.6+9.8
=15.4

Answer 3

先化成分数，化简后计算简便
3.5×1.6+9.8
=7/2×8/5+49/5
=28/5+49/5
=77/5
=15.4

Answer 4

3.5x1.6+9.8等于5.6+9.8等于15.4

Answer 5

3.5×1.6+9.8
=5×1.4×0.8+1.4×7
=1.4（4+7）
=1.4×11
=15.4