计算,要把中间的结果写出来,不直接写得数,3⼀4-1⼀6等于,5⼀7-3⼀8等于,2⼀3-4⼀9?

2024-11-09 02:45:50
推荐回答(3个)
回答1:

回答2:

3/4-1/6=9/12-2/12=7/12
5/7-3/8=5*8/56-3*7/56=19/56
2/3-4/9=2*3/9-4/9=2/9

回答3:

3/4-1/6=3X3/4X3-1X2/6X2=7/12
5/7-3/8=5X8/7X8-3X7/8X7=19/56
2/3-4/9=2X3/3X3-4/9=2/9