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北师大版数学三年级上册第一单元混合运算计算练习题(含答案)

2023-10-27 来源:乌哈旅游


北师大版数学三年级上册第一单元混合运算计算训练卷

一、计算题 1.脱式计算。

6 ②27+63÷9 ①54-42÷

③(30+10)÷5

⑤(82-66)÷8

2.脱式计算。

(1)44−16÷4

(3)120÷3+46

3.脱式计算。

(1)45-28÷4

(3)768-346-154

④73×(60-53) ⑥36÷(12-8) (2)6×(17+3) (4)438−(125+231) 2)(100-28)÷9 (

4.脱式计算。

9 ②(23-12)×4 ①82-72÷

4 ③1000-185-145 ④44+70×

⑤(123-51)÷8

5.递等式计算.

(1)384+256+16

(3)16+84÷4

6.算一算。

①24-12÷2

③45÷(3+6)

⑤(21-18)×9

⑥652-(97+356) 2)754﹣243﹣157 4)15×7+15×3 ②90-6×9 ④32+16÷8 ⑥7×(5+4) ((

7.脱式计算。

(1)166+435+357 (2)5×(36-29)

(3)45+15÷3

8.脱式计算.

(1)498﹣(146+237)

(3)63÷(46﹣39)

9.脱式计算

(1)67-4×9

(3)23+5×7

(2)843﹣(215+136) (4)18+27÷9 2)(99-45)÷6 (

10.脱式计算。

(1)24-12÷2 (2)90-6×9

(3)45÷(3+6) (4)(21-18)×9

11.计算下面各题

(1)43+75÷5

(3)98÷7×6

12.脱式计算下面各题.

(1)85﹣27+18

(3)36+5×4

2)96-18+22 4)42÷(45-38) 2)(44﹣26)÷3 (( (13.脱式计算. (1)84÷7﹣7

(2)34×2+15

(3)24÷(48﹣42)

14.我会用我喜欢的方法计算。(1)(35+28)÷7

(3)500-94-6

15.用递等式计算。 (1)77-27+3

(2)8×(15-8)

(3)99+56÷8

2)106-6×8 4)327+45-192

( (

16.脱式计算。

(1)62-8×6 (2)12+24÷6

(3)64÷(35-27) (4)100-56÷7

17.脱式计算

(1)48÷4+59

(3)(48+29)÷7

18.递等式计算。

①84-3×8

③72÷(18-9)

⑤356-(242-188)

2)23×4-26 4)100-96÷3 ②7×4+25 ④245+367+75 ⑥840-690+567 ( (

19.脱式计算。

4 ②8×6-30 ①(37-28)×

6 ④19+6×5 ③42-30÷

⑤35÷(28-21)

20.脱式计算。

(1)52-(32+18)

(3)(60-48)÷3

21.递等式计算。 (1)283-(83+117)

(2)9×(69-60)

(3)68-48÷4

⑥5×(28÷4) 2)56-5×9 4)6×8-19 ((

答案解析部分

1.【答案】①54-42÷6 =54-7 =47 ②27+63÷9 =27+7 =34

③(30+10)÷5 =40÷5 =8

④73×(60-53) =73×7 =511

⑤(82-66)÷8 =16÷8 =2

⑥36÷(12-8) =36÷4 =9

2.【答案】(1)44−16÷4(2)6×(17+3)

(3)120÷3+46

(4)438−(125+231)

=44−4 =40

=6×20 =120

=40+46 =86

=438−356

=82

4 3.【答案】(1)45-28÷ =45-7 =38

9 (2)(100-28)÷ =72÷9 =8

(3)768-346-154 =768-(346+154) =768-500 =268

9 4.【答案】①82-72÷ =82-8 =74

4 ②(23-12)× =11×4 =44

③1000-185-145 =815-145 =670 ④44+70×4 =44+280 =324

⑤(123-51)÷8 =72÷8 =9

⑥652-(97+356) =652-453 =199

5.【答案】(1)384+256+16 =384+16+256 =400+256 =656

(2)754﹣243﹣157 =754﹣(243+157) =754﹣400 =354

(3)16+84÷4 =16+21 =37

(4)15×7+15×3 =15×(7+3) =15×10 =150

2 6.【答案】①24-12÷ =24-6 =18 9 ②90-6× =90-54 =36

③45÷(3+6) =45÷9 =5 8 ④32+16÷ =32+2 =34

9 ⑤(21-18)× =3×9 =27

⑥7×(5+4) =7×9 =63

7.【答案】(1)166+435+357 =601+357 =958

(2)5×(35-29) =5×6 =30

3 (3)45+15÷=45+5 =50

8.【答案】(1)解:498﹣(146+237) =498﹣383 =115

(2)解:843﹣(215+136) =843﹣351 =492

(3)解:63÷(46﹣39) =63÷7 =9

(4)解:18+27÷9 =18+3 =21

9 9.【答案】(1)67-4×=67-36 =31

6 (2)(99-45)÷=54÷6 =9

7 (3)23+5×=23+35 =58

2 10.【答案】(1)24-12÷=24-6 =18 9 (2)90-6×=90-54 =36

(3)45÷(3+6) =45÷9 =5

9 (4)(21-18)×=3×9 =21

5 11.【答案】(1)43+75÷=43+15 =58

(2)96-18+22 =78+22 =100 7×6 (3)98÷=14×6 =84

(4)42÷(45-38) =42÷7 =6

12.【答案】(1)85﹣27+18 =58+18

=76

(2)(44﹣26)÷3 =18÷3 =6

(3)36+5×4 =36+20 =56

13.【答案】(1)解:84÷7﹣7 =12﹣7 =5

(2)解:34×2+15 =68+15 =83

(3)解:24÷(48﹣42) =24÷6 =4

14.【答案】(1)(35+28)÷7=63÷7=9 (2)106-6×8=106-48=58

(3)500-94-6=500-(94+6)=500-100=400 (4)327+45-192=372-192=180 15.【答案】(1)77-27+3 =50+3 =53

(15-8) (2)8×=8×7 =56

8 (3)99+56÷=99+7 =106

6 16.【答案】(1)62-8×=62-48 =14

6 (2)12+24÷=12+4 =16

(3)64÷(35-27) =64÷8 =8

7 (4)100-56÷=100-8 =92

4+59 17.【答案】(1)48÷=12+59 =71

4-26 (2)23×=92-26 =66

7 (3)(48+29)÷=77÷7 =11

3 (4)100-96÷=100-32 =68

8 18.【答案】①84-3×=84-24 =60 4+25 ②7×=28+25 =53

③72÷(18-9) =72÷9 =8

④245+367+75 =612+75 =687

⑤356-(242-188) =356-54 =302

⑥840-690+567 =150+567 =717

4=9×4=36②8×6-30=48-30=18③42-19.【答案】解:①(37-28)×30÷6=42-5=37④19+6×5=19+30=49⑤35÷(28-21)=35÷7=5⑥5×(28÷4)=5×7=35 20.【答案】(1)52-(32+18) =52-50 =2

9 (2)56-5×=56-45 =11

3 (3)(60-48)÷=12÷3 =4

8-19 (4)6×=48-19 =29

21.【答案】(1)解:283-(83+117) =283-200 =83

(2)解:9×(69-60) =9×9 =81

(3)解:68-48÷4 =68-12 =56

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