谁知道8.9x0.9+0.89的简便计算

2024-11-30 01:27:06
推荐回答(6个)
回答1:

8.9x0.9+0.89
=0.89×9+0.89
=0.89×(9+1)
=0.89×10
=8.9

回答2:

=8.9x0.9+8.9x0.1
=8.9X(0.9+0.1)
=8.9X1
=8.9

回答3:

=8.9✘(0.9+0.1)
=8.9✘1
=8.9

回答4:

0.89*9+0.89
=0.89*10
=8.9
望采纳

回答5:

原式
=8.9x(0.9+0.1)
=8.9x1
=8.9

回答6:

0.89x(9+1)