分数乘整数2/1X8=165/8X4=5/26/5X5=68/7X7=86/5Ⅹ10=12分数乘分数1/2X6/5=3/51/7Ⅹ7/5=1/51/7X1/8=1/568/9X2/7=16/631/22X22/4=1/4分数除分数5/4÷2/7=35/82/3÷8/16=3/48/6÷6/7=14/91/22÷4/22=1/45/2÷2/5=25/4分数乘整数2/1X8=165/8X4=5/26/5X5=68/7X7=86/5Ⅹ10=12分数乘分数1/2X6/5=3/51/7Ⅹ7/5=1/51/7X1/8=1/568/9X2/7=18/631/22X22/4=1/4分数除分数5/4÷2/7=35/82/3÷8/16=3/48/6÷6/7=14/91/22÷4/22=1/41\2×8=1\3×9=4\9×7=9\11×8=3\6×2\9=5\9×7\2=1\10×9\4=23\4×2\6=76\5×1\38=87\9×3\19=15\4×1\3=56\2×1\8=2\9×3\18=1\4×3=12\13×26=19\6×3\2=2\3×7\2=6\7×14\2=16\7×21\4=29\3×6=1\2×6=1\6×9=4\3×7=9\4×8=3\12×2\9=5\9×7\5=1\10×9\2=24\4×2\6=76\7×1\38=87\6×3\19=12\4×1\3=56\2×1\7=2\9×6\18=1\4×7=3\13×26=17\6×3\
