1 2 3 4 分数乘法计算练习题 一、分数与整数相乘。 512 ×4= 26× 613 = 1115 ×5= 24×1348 = 221 ×7= 310 ×20= 425 ×15= 718 ×12= 16× 920 = 17×1351 = 1415 ×30= 1011 ×121= 1627 ×54= 11× 922 = 1415 ×20= 1819 ×38= 36× 527 = 100×2425 = 二、分数和分数相乘。(注意:能约分的先约分,再计算。) 25 ×34 = 67 ×78 = 59 × 815 = 911 × 715 = 1225 ×1516 = 45 × 910 = 23 ×1516 = 78 × 521 = 49 ×2716 = 1415 ×2521 = 2027 ×38 = 79 ×1835 = 611 ×2215 = 1727 ×4568 = 1933 ×1138 = 817 ×1720 = 1321 × 726 = 89 ×2740 = 1319 ×3839 = 910 ×5063 = 1234 ×1736 = 5 三、分数乘、加、减混合。 716 ×(5063 -27 ) 45 ×1516 ×14 56 ×34 +1 23 + 512 × 415 914 -59 ×2735 1 -1819 ×3845 615 ×(5 - 513 ) 1991 ×7 + 813 四、分数乘、加、减简便运算。 1315 × 726 ×5 (58 +1112 )×24 914 ×1718 ×14 (56 -49 )×36 9 9 × 9798 913 - 718 × 913 67 ×12× 712 815 ×47 × 316 911 ×97×119 38 × 712 + 512 ×38 517 ×79 +79 × 417 1225 ×15- 725 ×15 6 分数乘法计算题练习 7× 2 18 54 ×1 65 8× 81 52 ×10 83 ×24 94 × 83 43 × 98 1 21 1 ×1 2 13 6 15× 51 85 ×12 44 ×21 56×1 49 94 × 83 1 2 12 5 × 5 01 1 43 × 21 3.6× 43 85 ×1.6 1 27 × 74 1 83 ×8 1 65 ×3 1 94 ×18 15 75 × 52 21 52 × 65 65 ×24 43 × 95 ×1 52 1 18 ×3.3-0.9 1 74 ×21 43 ×1 51 2.7×1 95 1 43 ×1 71 ×2 21 1 43 × 1 16 × 2 12 2 31 × 3 62 6 × 1 31 0 3 1 13 ×22 4.5×5 61 3.3×21 12 14×4 74 2 65 ×12 94 ×7 21 3.6× 43 150×1 52 1 51 1 ×5 27×1 85 2 09 ×15 19× 21 72×1 25 2 41 7 × 3 49 2 51 8 ×1 65 1 91 7 × 5 13 8 3 61 9 ×24 48×1 61 3 6 32 6 × 3 92 8 28× 87 8 71 ×0.875 3.25×1 34 1 32 × 0.4 1 83 ×0.32 4.5 ×1 65 2.125× 21 76 3 71 ×3.5 7 2 74 × 0.56 0.85× 11 73 2.3× 1 2 31 9 ( 31 + 43 )× 12 1 0 07 9 × 101 85 × 6 72 +6 72 × 0.375 2 41 × 5 1.5 × 2 32 4.4× 1 15 4 65 × 0.48 11 41 × 3.5 32 × 3 31 ( 2 57 - 51 )× 50 4 52 × 1 72 × 1 17 2 32 × 6× 2.6 43 × 32 × 52 2 14 × 2 17 97 × 53 × 2 15 4 83 5 × 1 58 × 76 108× 1 87 9 56 4 × 3 21 9 1 49 × 3 63 5 2 45 × 120 1 51 1 × 3 32 5 3 61 7 × 8 57 2 1 54 +1 25 4 22 9 × 8 75 6 2 43 × 3 1 18 × 21 45 21 × 2 32 1 83 × 1 18 4 52 × 1 11 0 2 54 × 2 81 5 2 71 × 1 52 2 32 × 1 54 3 75 × 1 38 × 1 72 2 32 × 1 85 × 3 94 3 54 × 4 × 1 87 2 85 × 3 73 × 91 2 01 9 × 94 × 3 82 5 1 81 1 × 1 32 × 1 54 2 65 × 12 3 73 × 14 5 51 × 4 7 83 × 2 3 21 × 4 7 × 31 52 1 27 × 12 65 32 × 6 54 3 63 5 × 35 4 54 4 × 46