Question

99×5.61+5.61用简便计算？

Answer 1

1.
99×5.61+5.61
2.
=5.61x(99+1)
3.
=5.61x100
4.
=561

Answer 2

可以把99✖️5.61+5.61=99✖️5.61+5.61✖️1，运用乘法结合律，＝（99+1）✖️5.61＝561

Answer 3

你可以把这个公式转换为99×5点六一，加上1×5点61，这样我们就可以把5.61提取出来，变成5.61乘以（99+1）就是5点61×100=561

Answer 4

19×5.61+5.61的简便算法，你可以这样算5.61× ( 99+1等于5.61×100等于56.1。

Answer 5

99×5.61+5.61
=5.61x(99+1)
=5.61x100
=561