《分数乘分数》练习卷
题目：50 姓名________ 成绩________
1/2×8/9= 3/10×7/9= 4/7×2/3=
4/5×1/2= 7/8×1/2= 2/3×1/2=
7/8×7/9= 1/4×1/2= 6/7×1/3=
2/9×2/3= 2/3×9/10= 1/3×1/7=
3/4×2/3= 8/9×4/5= 1/8×5/6=
4/5×3/5= 1/4×8/9= 1/3×8/9=
8/9×1/2= 4/9×1/2= 1/3×1/2=
.......
所需点数：0
