分数乘法计算练习题 一、分数与整数相乘。 5611 ×4= 26× = ×5= 121315 132324× = ×7= ×20= 482110 479 ×15= ×12= 16× = 251820 13141017× = ×30= ×121= 511511 16914 ×54= 11× = ×20= 272215 18524 ×38= 36× = 100× = 192725 二、分数和分数相乘。(注意:能约分的先约分,再计算。) 236758 × = × = × = 5478915 97121549 × = × = × = 11152516510 21575427 × = × = × = 316821916 1425203718 × = × = × = 1521278935 62217451911 × = × = × = 111527683338 817137827 × = × = × = 17202126940 13389501217 × = × = × = 193910633436 1 三、分数乘、加、减混合。 750241553254 ×( - ) × ×14 × +1 + × 166375166 914 -527183869 ×35 1 -19 ×45 15 四、分数乘、加、减简便运算。 1315 ×726 ×5 (58 +1112 )×24 (56 -49 )×36 99× 9798 67847 ×12×12 15 ×7 ×316 38 ×712 +512 ×38 517 ×7749 +9 ×17 2 4(5-513 ) 312151991 ×7+813 914 ×1718 ×14 913 -7918 ×13 911 ×97×119 1225 ×15-725 ×15 × 本文来源:https://www.wddqw.com/doc/963851450708763231126edb6f1aff00bfd5704b.html