小学六年级上册数学分数乘法计算题专项练习题

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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= ×6 = 121315131599

×8 = 12× = 42× = ×11 = 416284461323

×15 = 24× = ×7= ×20= 54821425 ×15= 718 ×12= 16×920 = 1415 ×30= 1011 ×121= 914 ×21 = 579 ×7= 16927 ×54= 11×22 =

二、分数和分数相乘。(每题1分,共18分)

25 ×34 = 67 ×7588 = 9 ×15 = 121525 ×16 = 45 ×910 = 23 ×1516 = 49 ×2716 = 142520315 ×21 = 27 ×8 = 611 ×2215 = 1727 ×4568 = 1933 ×1138 = 1234 ×1736 = 326

13 ×37

=

三、分数乘、加、减混合。(每题2分,共16分)716 ×(5063 -27 ) 45 ×1516 ×14 536 ×4 +1

914 -59 ×2735 1-1819 ×3845 6515 ×(5-13 )

10 17×13

51 = ×3

11 = 14

15 ×20= 911 ×7

15 = 78 ×5

21 = 79 ×1835 = 817 ×17

20 = 23 +512 ×415 1991 ×7+813

四、分数乘、加、减简便运算。(每题2分,共42分)

137511917

× ×5 ( + )×24 × ×14 15268121418

1520192551 × × × × ×22× 162151036332

(546 -9 )×36

67 ×12×712

3758 ×12 +12 ×38

5356 ×57

183 ×(53 -6 ) (13+ 99× 9798 815 ×437 ×16 517 ×7749 +9 ×17 517 +517 ×16 19 )×913 913 -718 ×913 911 ×97×119 1225 ×15-7

25 ×15 2325 ×1617 +1625 ×1

17666613 ×12+13


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