3 4 =15÷______=______÷30=七五折=______

3 4 =15÷______=______÷30=七五折=______%
2024-12-15 14:48:00
推荐回答(1个)
回答1:

3
4
=15÷20=
45
2
÷30=七五折洞碰=75%;穗返
故答案为猜颤饥:20,
45
2
,75.