45.9-(6.27 5.73)用脱式计算?

2024-12-15 12:54:26
推荐回答(2个)
回答1:

解原式=45.9-(6.27+5.73)=45.9-12=33.9

回答2:

45.9-(6.27+5.73)
=45.9-12
=33.9