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小学六年级上册数学分数乘法计算题专项练习题

2022-06-03 来源:个人技术集锦
分数计算题(100分)

一、分数与整数相乘。(每题1分,共24分)

112

×4= 26× = ×5= ×6 = 56

12131514 ×8 = 12×516 = 42×928 = 65 ×15 = 24×13248 = 21 ×7= 4 ×15= 7 ×12= 16×9

251820 = 1415 ×30= 10911 ×121= 14 ×21 = 71699 ×7= 27 ×54= 11×22 =

二、分数和分数相乘。(每题1分,共18分)

13

9

44

×11 = 3

10

×20= 17×13

51

= 5×3

11

= 14

15

×20= 23675897

× = × = × = × = 54789151115

12154921575

× = × = × = × = 2516510316821

4271425203718 × = × = × = × = 9161521278935

2217451911817

× = × = × = × = 1115276833381720

6

1217326

× = × = 34361337

三、分数乘、加、减混合。(每题2分,共16分)

50241553254 ×( - ) × ×14 × +1 + × 166375166431215

7

527183865198 - × 1- × ×(5- ) ×7+ 14935194515139113

9

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

5497979( - )×36 99× - × 6967 ×12×712 38 ×712 +512 ×38 5356 ×57 183 ×(3 -56 ) 98 815 ×47 ×316 517 ×79 +79 ×417 517 +517 ×16 (13+19 )×913 131813

911 ×97×119

1225 ×15-7

25

×15 231625 ×161

17 +25 ×17

666613 ×12+13

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