精品文档---下载后可任意编辑六年级上册数学分数乘法的简便计算练习题一、分数与整数相乘。×15 = 24×= ×7= ×20= ×4= 26×= ×5= ×6 = ×30= ×121= ×21 = 5×= ×8 = 12× = 42×= ×11 = ×15= ×12= 16×= 17×= ×7= ×54= 11×= ×20= 二、分数和分数相乘。×= ×= ×= ×= ×= ×= ×= ×= ×= ×= ×= ×=×= ×= ×= ×= ×= ×= 45× = × = 0×= 9×= × = ×100= 三、分数乘、加、减混合。×(-) ××14 ×+1 +×-× 1-× ×(5-) ×7+四、分数乘、加、减简便运算。精品文档---下载后可任意编辑××5 (+)×24 ××14×× ×× ×22× (-)×36 99× -××12× ×× ×97××+× ×+× ×15-×15×57 +×16 ×+× ×(-) (13+)× ×12+ ××3 5×× × 4 × (+ )× 5 (+)×27 6 ×(×) (- )× ×(7 - ) ×+ × ×+× ×- × ×6 -× 621× 37× × 24精品文档---下载后可任意编辑(+ 7 )× 25 ×+ × - × 1- × + × ×(5 - ) 12×(+ + ) ×(125 × 34) (+ )×7 ×5× 199 × (24 + )× × 78