Question

9.07×0.7-0.3怎么简便运算？

Answer 1

9.07×0.7-0.3怎么简便运算
=（9+0.07）×0.7-0.3
=6.3+0.049-0.3
=6.3-0.3+0.049
=6+0.049
=6.049
望采纳 谢谢~

Answer 2

九点零七×0点七再减0点三可以先用九点零七×0点七然后再减去3这是最主要的简便方法。

Answer 3

9.07×0.7-0.3这道题不能用简便运算计算。直接算就可以9.07×0.7-0.3＝6.349-0.3＝6.049

Answer 4

9.07×0.7-0.3
=9.07x(10-0.3)-0.3
=9.07×10-9.07×0.3-0.3
=90.7-[0.3×(9.07-1)]
=90.7-[0.3×8.07]
=90.7-2.421
=88.279

Answer 5

9、07Ⅹ0、7一0、3怎么简便运算？简便运算就是9、07x(0、7一0、3)。这就是简便运算。