计算下面各题 5⼀14x7+1⼀2 4⼀9÷12+4⼀27 9⼀10-3⼀10×5⼀6 填一填()×2=1⼀4 ()÷2=1⼀6 3×

2024-11-23 17:16:00
推荐回答(1个)
回答1:

1/9÷1/6÷3/5
=1/9×6×5/3
=10/9
=1又1/9
2/5÷4/7×5/7
=2/5×7/4×5/7
=1/2
(5/12+1/27)×27+5/8
=5/12×27+1/27×27+5/8
=45/4+1+5/辅锭滇瓜鄄盖殿睡东精8
=12又7/8