(9.5-3.7)×9.9+0.58怎样简便计算?

2025-03-26 10:30:18
推荐回答(3个)
回答1:

=5.8x(1-0.1)+0.58
=5.8-0.58+0.58
=5.8
望采纳

回答2:

可以这样算:
(9.5-3.7)×9.9+0.58
=5.8×9.9+0.58
=0.58×99+0.58
=0.58×(99+1)
=0.58×100
=58

回答3:

简算:
(9.5-3.7)*9.9+0.58
=5.8*9.9+5.8*0.1
=5.8*(9/9+0.1)
=5.8*10
=58