2.9-2.9×0.52脱式计算

2.9-2.9×0.52脱式计算
2024-11-16 16:38:28
推荐回答(2个)
回答1:

=(1-0.52)×2.9
=0.48×2.9
=0.48×(3-0.1)
=0.48×3-0.48×0.1
=0.144-0.048
=0.096

回答2:

=2.9✘(1-0.52)
=2.9✘0.48
=1.392