分数乘法计算练习题姓名____________班级___________小组___________成绩_____________一、分数与整数相乘。eq\f(5,12)×4＝26×eq\f(6,13)＝eq\f(11,15)×5＝24×eq\f(13,48)＝eq\f(2,21)×7＝eq\f(3,10)×20＝eq\f(4,25)×15＝eq\f(7,18)×12＝16×eq\f(9,20)＝17×eq\f(13,51)＝eq\f(14,15)×30＝eq\f(10,11)×121＝eq\f(16,27)×54＝11×eq\f(9,22)＝eq\f(14,15)×20＝eq\f(18,19)×38＝36×eq\f(5,27)＝100×eq\f(24,25)＝二、分数和分数相乘。（注意：能约分的先约分，再计算。）eq\f(2,5)×eq\f(3,4)＝eq\f(6,7)×eq\f(7,8)＝eq\f(5,9)×eq\f(8,15)＝eq\f(9,11)×eq\f(7,15)＝eq\f(12,25)×eq\f(15,16)＝eq\f(4,5)×eq\f(9,10)＝eq\f(2,3)×eq\f(15,16)＝eq\f(7,8)×eq\f(5,21)＝eq\f(4,9)×eq\f(27,16)＝eq\f(14,15)×eq\f(25,21)＝eq\f(20,27)×eq\f(3,8)＝eq\f(7,9)×eq\f(18,35)＝eq\f(6,11)×eq\f(22,15)＝eq\f(17,27)×eq\f(45,68)＝eq\f(19,33)×eq\f(11,38)＝eq\f(8,17)×eq\f(17,20)＝eq\f(13,21)×eq\f(7,26)＝eq\f(8,9)×eq\f(27,40)＝eq\f(13,19)×eq\f(38,39)＝eq\f(9,10)×eq\f(50,63)＝eq\f(12,34)×eq\f(17,36)＝三、分数乘、加、减混合。eq\f(7,16)×(eq\f(50,63)－eq\f(2,7))eq\f(4,5)×eq\f(15,16)×14eq\f(5,6)×eq\f(3,4)＋1eq\f(2,3)＋eq\f(5,12)×eq\f(4,15)eq\f(9,14)－eq\f(5,9)×eq\f(27,35)1－eq\f(18,19)×eq\f(38,45)eq\f(6,15)×(5－eq\f(5,13))eq\f(19,91)×7＋eq\f(8,13)四、分数乘、加、减简便运算。eq\f(13,15)×eq\f(7,26)×5(eq\f(5,8)＋eq\f(11,12))×24eq\f(9,14)×eq\f(17,18)×14(eq\f(5,6)－eq\f(4,9))×3699×eq\f(97,98)eq\f(9,13)－eq\f(7,18)×eq\f(9,13)eq\f(6,7)×12×eq\f(7,12)eq\f(8,15)×eq\f(4,7)×eq\f(3,16)eq\f(9,11)×97×eq\f(11,9)eq\f(3,8)×eq\f(7,12)＋eq\f(5,12)×eq\f(3,8)eq\f(5,17)×eq\f(7,9)＋eq\f(7,9)×eq\f(4,17)eq\f(12,25)×15－eq\f(7,25)×15分数乘法计算题练习7××8××10×24×××15××12×2156××××3.6××1.6×1×81×31×1815×2××24×××3.3－0.91×21×12.7×11×1×21××2××3×224.5×53.3×214×42×12×73.6×150××527××1519×72×××××2448××28×8×0.8753.25×1×0.41×0.32