数学文字题(列式计算)

①7.5与2.5的和除它们的差,再加上2.4的和是多少?
2025-06-27 23:29:53
推荐回答(4个)
回答1:

(7.5-2.5)/(7.5+2.5)+2.4=5/10+2.4=0.5+2.4=2.9

回答2:

(7.5+2.5)除(7.5-2.5)+2.4
=10除5+2.4
=2+2.4
=4.4

回答3:

(7.5+2.5)÷(7.5-2.5)+2.4=10÷5+2.4=2+2.4=4.4

回答4:

(7.5+2.5)÷﹙7.5-2.5﹚+2.4=4.4