4⼀7×五四减16×3⼀5加二七×6⼀7+1⼀5×3

4/7×五四减16×3/5加二七×6/7+1/5×3
2024-12-05 06:29:23
推荐回答(3个)
回答1:

4/7×54-16×3/5+27×6/7+1/5×3
=4/7×54+27×6/7-16×3/5+1/5×3
=8/7×27+27×6/7-16×3/5+3/5
=27(8/7+6/7)-9
=54-9
=45

回答2:

4/7*54=216/7=30+6/7
16*3/5=48/5=9+3/5
27*6/7=162/7=23+1/7
1/5*3=3/5
30+6/7-(9+3/5)+23+1/7+3/5
=44+1
=45

回答3:

答案是:747/14,这是谁出的题,汗