分班考分数四则混合运算真题练习卷(专项突破)-小学数学六年级下册人教版
展开分班考分数四则混合运算真题练习卷(专项突破)-小学数学六年级下册人教版
一.计算题(共20小题)
1.(2022春•天津期末)用你喜欢的方法计算下面各题。
(1) | (2)32﹣1﹣0.25 | (3) | (4) |
2.(2022•留坝县)仔细计算,怎样简便就怎样计算。
3.(2022春•孝南区月考)脱式计算。
×12﹣÷ | (×)÷ | ×+× |
4.(2022春•商城县月考)能简算的简算。
1.75××﹣ | 4.15﹣3.75×10%﹣ |
3﹣1÷(×) |
5.(2022•红塔区)计算下面各题,能简算的要简算。
(1) | (2)4.7﹣0.125﹣ |
(3)17×+ | (4)[(3+1.8)×]× |
6.(2022•香洲区)计算下面各题。(能简算的要简算)
(1) | (2)2.5÷ |
(3) | (4)2 |
7.(2022•江城区)用简便方法计算。
(+﹣)×24
3.5×+5.5×80%+0.8
8.(2022•周至县)计算下面各题,怎样简便就怎样算。
24+0.89﹣0.8 | (+)×11+ | ÷[(﹣25%)÷] |
9.(2022•平阴县)计算下面各题,能简算的要写出必要的简算过程。
()÷ |
10.(2022春•锦江区期末)计算下面各题,怎样简便就怎样计算。
++ | ﹣+﹣ | ﹣(+) |
11.(2022春•平乡县校级月考)计算下面各题。(能简算的要简算)
×+× | ×34×17× | (﹣)×12 |
×() | ×101 | ﹣(+) |
12.(2022春•迁安市期末)能简算的要简算。
× | ÷7× | ()×12 |
13.(2022春•杭州期末)递等式计算(选择合理的方法计算)
① | ②7﹣7÷17﹣ |
③ | ④ |
14.(2022春•长安区期末)简算计算。
(1)1÷()
(2)×÷
15.(2022春•桥西区期末)简算计算。
(1)6÷﹣×
(2)×[1÷(﹣)]
16.(2022春•惠来县期末)计算下列各题。
①×6× | ②÷+× | ③++ |
17.(2022春•长春期末)用合适的方法计算。
×39 | |
×4 | 12﹣ |
18.(2022•海曙区)用合理的方法计算,并写出过程
(1)630+270÷18×15 | (2)5.2﹣+4.8 | (3)×(1.1×40) |
(4)15÷ | (5) | (6)137× |
19.(2022•安丘市)怎样简便就怎样算。
×﹣÷4 | 7.6×35%+6.5×0.76 | ×21+13× |
20.(2022•遵义模拟)脱式计算,用自己喜欢的方法计算。
23×0.75+27×+50×75% | +++0.125 |
(+)×24× | (42×29+71×42)÷35 |
分班考分数四则混合运算真题练习卷(专项突破)-小学数学六年级下册人教版
参考答案与试题解析
一.计算题(共20小题)
1.【解答】解:(1)
=+﹣
=1﹣
=
(2)32﹣1﹣0.25
=32﹣(1+0.25)
=32﹣2
=30
(3)
=+++
=(+)+(+)
=1+
=1
(4)
=﹣+
=+﹣
=1﹣
=
2.【解答】解:(1)
=×(+)
=×
=
(2)
=(75+1)×
=75×+1×
=8+
=8
(3)
=÷[×]
=÷
=
3.【解答】解:×12﹣÷
=×12﹣×7
=×5
=13
(2)(×)÷
=(﹣)÷
=(﹣)×
=×
=
(3)×+×
=×(+)
=×3
=
4.【解答】解:(1)1.75××﹣
=×(+﹣1)
=×0
=0
(2)4.15﹣3.75×10%﹣
=4.15﹣﹣
=4.15﹣(+)
=4.15﹣1.625
=2.525
(3)3﹣1÷(×)
=3﹣1÷(+)
=3﹣1÷1
=3﹣1
=2
(4)+++
=(﹣)+(﹣)+(﹣)+(﹣)
=﹣+﹣+﹣+﹣
=﹣
=
5.【解答】解:(1)
=﹣
=
(2)4.7﹣0.125﹣
=4.7﹣(0.125+)
=4.37﹣1
=3.37
(3)17×+
=(17+1)×
=18×
=14
(4)[(3+1.8)×]×
=[4.8×]×
=4×
=
6.【解答】解:(1)﹣﹣
=﹣(+)
=﹣1
=
(2)2.5÷
=4×
=17
(3)(+﹣)×24
=×24+×24﹣×24
=8+20﹣9
=28﹣9
=19
(4)2÷[(﹣0.25)×]
=2÷[×]
=2÷
=
7.【解答】解:(+﹣)×24
=×24+×24﹣×24
=20+21﹣10
=31
3.5×+5.5×80%+0.8
=3.5×0.8+5.5×0.8+0.8
=0.8×(3.5+5.5+1)
=0.8×10
=8
8.【解答】解:(1)24+0.89﹣0.8
=24﹣0.8+0.89
=24+0.89
=24.89
(2)(+)×11+
=×11+×11+
=5++
=5+(+)
=5+1
=6
(3)÷[(﹣25%)÷]
=÷[÷]
=÷
=
9.【解答】解:(1)
=×+×
=(+)×
=1×
=
(2)
=()×(2.5×4)
=×10
=
(3)
=÷[]
=÷
=3
(4)()÷
=()×24
=×24+×24﹣×24
=20+12﹣9
=23
10.【解答】解:+
=++
=+
=
﹣+﹣
=()﹣(+)
=1﹣
=
﹣(+)
=﹣(+)
=﹣
=﹣
=
11.【解答】解:(1)×+×
=×(+)
=×1
=
(2)×34×17×
=(×34)×(17×)
=2×2
=4
(3)(﹣)×12
=×12﹣×12
=10﹣4
=6
(4)×()
=×(+)
=×
=+
=
=
(5)×101
=×(101﹣1)
=×100
=8
(6)﹣(+)
=﹣(+)
=﹣
=﹣
=
12.【解答】解:(1)×
=+
=
(2)÷7×
=×+×
=(+)×
=1×
=
(3)()×12
=×12﹣×12
=9﹣2
=7
13.【解答】解:①
=()+()
=1+
=1
②7﹣7÷17﹣
=7﹣﹣
=7﹣(+)
=7﹣1
=6
③
=()﹣
=1﹣
=
④
=()+(0.22+1.88)
=1+2.1
=3.1
14.【解答】解:(1)1÷()
=1÷
=
(2)×÷
=÷
=
15.【解答】解:(1)6÷﹣×
=7﹣
=6
(2)×[1÷(﹣)]
=×[1÷]
=×
=
16.【解答】解:①×6×
=××6
=
=1
②÷+×
=×+×
=(+)
=
=
③++
=++
=1+
=1
17.【解答】解:(1)×39
=×39×
=18×
=
(2)
=﹣
=﹣
=0
(3)×4
=×(3+4)
=×7
=6
(4)12﹣
=12﹣()
=12﹣1
=11
18.【解答】解:(1)630+270÷18×15
=630+15×15
=630+225
=855
(2)5.2﹣+4.8
=5.2+4.8﹣﹣
=(5.2+4.8)﹣(+)
=10﹣1
=9
(3)(×0.25)×(1.1×40)
=(×1.1)×(0.25×40)
=0.7×10
=7
(4)15÷(+)
=15÷
=12
(5)4×(+)×7
=4××7+4××7
=7+4
=11
(6)137×
=137×﹣
=(137﹣1)×
=136×
=135
19.【解答】解:(1)
=()×
=
=
(2)7.6×35%+6.5×0.76
=0.76×3.5+6.5×0.76
=0.76×(3.5+6.5)
=0.76×10
=7.6
(3)×21+13×
=×21+13×
=×(21+28)
=×49
=13
20.【解答】解:(1)23×0.75+27×+50×75%
=23×
=(23+27+50)×
=100×
=75
(2)+++0.125
=+++
=(+)+()
=1+
=1
(3)(+)×24×
=+
=
=1
(4)(42×29+71×42)÷35
=42×(29+71)÷35
=42×100÷35
=4200÷35
=120
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