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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