0.45×4＝1.80.75×4.3＝3.2251.05×4.6＝4.831.35×4.9＝6.6151.65×5.2＝8.581.95×5.5＝10.7252.25×5.8...

　　有没有分数乘分数的？

　　1/2×7/8=7/162/3×5/12=5/181/3×9/10=3/102/3×2/5=4/151/4×4/7=1/73/4×26/35=39/701/5×32/35=17/932/5×2/7=4/353/5×1/3=1/54/5×8/21=25/821/6×3/7=1/145/6×10/21=25/631/7×11/21=3/402/7×4/7=8/493/7×13/21=13/494/7×2/3=8/215/7×5/7=25/496/7×16/21=32/491/8×17/21=8/793/8×6/7=9/285/8×19/21=13/237/8×20/21=5/61/9×5/8=5/722/9×5/9=10/814/9×35/72=8/375/9×5/12=3/137/9×25/72=10/378/9×5/18=20/81学习愉快！