5.8×9.9+5.8的脱式计算

5.8×9.9+5.8的脱式计算
2025-01-24 22:41:03
推荐回答(2个)
回答1:

red

回答2:

脱式计算
5.8×9.9+5.8
=5.8×(9.9+1)
=5.8×10.9
=5.8×(11-0.1)
=5.8×11-5.8×0.1
=63.8-0.58
=63.22