来自胡玲玲的问题
分数乘法口算题
分数乘法口算题


分数乘法口算题
分数乘法口算题
124×13=1
562×17=4
29×618=2/27
14×7=7/4
313×26=6
176×32=17/4
23×92=3
65×142=42/5
167×284=16
292×6=87
12×7=7/2
14×9=9/4
43×9=12
94×11=99/4
315×29=2/45
57×75=1
123×92=9/46
244×16=1
7613×138=2/13
879×319=87/57
125×13=4/5
5612×17=2/3
29×1518=5/27
111×7=7/11
319×26=78/19
178×32=51/16
26×92=3/2
615×142=42/15
1614×284=8
292×4=58
7/9×9/7=1
4/9×3=4/3
3×1/3=1
1/2×1/3=1/6
2/7×3/9=2/21
3/9×7/2=7/6
21/25×1/42=1/50
4/5×3/4=3/5
2/3×3/2=1
1/7×14=2
6×1/6=1
2/3×5/6=5/9
5/6×6/5=1
1/25×25=1
3×1/3=1
6/7×3/2=9/7
1/2×2=1
4/11×4=16/11
4/11×11=4
4/9×3/8=1/6
5/3×3=5
3×1/3=1
1/2×2=1
0÷8/4=0
2/7×2=4/7
2×1/7=2/7
41/12×4=41/3
41/12×12=41
16×1/16=1
12×1/12=1
9×1/9=1
12×3/9=4
3/9×9=