Question

1972×37+197.2×1.9-986×70.38怎么简算？

Answer 1

把所给式子进行适当的变形，最后应用乘法分配率计算即可。

Answer 2

1972×37+197.2×1.9-986×70.38
=1972×37+1972×0.19-986×2×70.38÷2
=1972×37+1972×0.19-1972×35.19
=1972×（37+0.19-35.19）
=1972×（37-35）
=1972×2
=3944
望采纳 谢谢~~

Answer 3

1972×37+197.2×1.9-986×70.38

=1972×37+1972×0.19-1972×35.19

=1972×（37+0.19-35.19）

=1972×2

=3944

Answer 4

1972×37+197.2×1.9-986×70.38怎么简算？
1972×37+197.2×1.9-986×70.38

=1972×(37+0.19)-986×2×35.19
=1972×(37+0.19)-1972×35.19
=1972×(37+0.19-35.19)

=1972×2
=3944

Answer 5

1972×37+197.2×1.9-986×70.38
=1972×37+197.2×10×1.9÷10-986×2×70.38÷2
=1972×37+1972×0.19-1972×35.19
=1972×(37+0.19-35.19)
=1972×2
=3944