34.5+4.7-0.55简便计算脱式计算?

34.5+4.7-0.55
2025-01-04 08:45:03
推荐回答(3个)
回答1:

34.5+4.7-0.55
=39.2-0.55
=38.65

回答2:

34.5+4.7-0.55
=34.5-0.55+4.7
=33.95+4.7
=38.65

回答3:

34.5十4.7一0.55
=39.2一0.55
=38.65