分数计算题(100分) 一、分数与整数相乘。(每题1分,共24分) 56112 ×4= 26× = ×5= 12131513 ×6 = 1599 ×8 = 12× = 42× = 4162844 ×11 = 61323 ×15 = 24× = ×7= 5482110 ×20= 425 ×15= 718 ×12= 16×920 = 1415 ×30= 10911 ×121= 14 ×21 = … 79 ×7= 1627 ×54= 11×922 = 二、分数和分数相乘。(每题1分,共18分) 25 ×34 = 67 ×78 = 589 ×15 = 1225 ×1516 = 492155 ×10 = 3 ×16 = 49 ×2716 = 1415 ×2521 = 20327 ×8 = 611 ×2215 = 1745191127 ×68 = 33 ×38 =. 1234 ×1736 = 32613 ×37 = 三、分数乘、加、减混合。(每题2分,共16分)716 ×(5063 -27 ) 45 ×1516 ×14 56 ×34 +1 ' 914 -59 ×2735 1-18386519 ×45 15 ×(5-13 ) 17×1351 = 5×311 = 1415 ×20= 9711 ×15 = 758 ×21 = 7189 ×35 = 81717 ×20 = 23 +512 ×415 19891 ×7+13 四、分数乘、加、减简便运算。(每题2分,共42分) \ 137511917 × ×5 ( + )×24 ×15268121418 ×14 1516 ×2021 ×15 @ (546 -9 )×36 】 67 ×12×712 38 ×712 +512 ×38 & 5356 ×57 910 ×23 ×56 99× 9798 815 ×47 ×316 517 ×79 +79 ×417 517 +517 ×16 533 ×22×12 9 -791318 ×13 911 ×97×119 1225 ×15-725 ×15 2325 ×1616117 +25 ×17 185196666 ×( - ) (13+ )× ×12+3369131313 本文来源:https://www.wddqw.com/doc/8f793d59720abb68a98271fe910ef12d2bf9a970.html