整数、小数、分数、百分数计算题重难点真题汇编卷(试题)-小学数学六年级下册人教版
展开整数、小数、分数、百分数计算题重难点真题汇编卷(试题)-小学数学六年级下册人教版
一.计算题(共21小题)
1.(2022•科左中旗)脱式计算下面各题。
(1)5.4×[(32.4+)÷] | (2)2.03×101 |
(3)34.6×+85.4÷ | (4)50.24﹣32.2﹣17.8 |
2.(2022•台儿庄区)计算(能简算的要简算)
7.4﹣6.62+20.6﹣13.38 | ()÷ | |
2×0.8×12.5×50% | () | [1÷()] |
3.(2022•龙岗区)递等式计算,能简算的要简算。
(1)12×7﹣121÷11 | (2)2.5×24×0.5 |
(3)65×+65× | (4)1.26÷[4.2×(1﹣)] |
4.(2022•平罗县)下列各题怎样算简便就怎样算。
6.52﹣0.36﹣0.64 | 7.5×(3.65﹣1.85) |
8÷[(﹣)÷] |
5.(2022•辽中区)用你喜欢的方法计算。
4.9﹣0.7×1.5﹣0.95 | ÷15+× | 3.5×[(702﹣270)÷16] |
6.(2022•双台子区)计算下面各题,能简算的要简算。
3.6﹣(1.28+0.25) | 21÷[()×] | |
6.4×101 | 3.6× | ()×18 |
7.(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× |
8.(2022•沁阳市)脱式计算,能简算的要简算。(写出主要步骤)
0.53×2.5+ | 25×0.032×12.5 |
[()×] | 6.83+17.9﹣0.83+32.1 |
9.(2022•郏县)计算下面各题,能简算的要简算。
[(1﹣)] | 95.6× |
17.83﹣(6.29+8.83)﹣1.71 | 5.7×[()] |
10.(2022•郴州)计算下面各题,能简算的要简算。
22.7﹣1.8﹣7.2 | (2+﹣)×21 |
11.(2022•崇左)用你喜欢的方法计算。
12.7+8.6+0.4+7.3 | ×90+×10 | 6÷[1﹣()] |
12.(2022•茌平区)脱式计算,能简算的要简算。
8.8﹣6.75+9.2﹣0.25 | 0.25×1.25×32 | 3.14×[2.4÷(1.6×)] |
13.(2022•聊城)计算下列题目,能简算的要简算。
(+﹣)×12 | 0.5×[(3.6+4.4)÷0.4] | 40%×+× |
14.(2022•成武县)计算下面各题,能简算的要简算。
64×101 | 12.6÷3+5.8 |
8﹣ |
15.(2022•上蔡县)计算下面各题,能简算的要简算。
7.2÷[28×(1﹣)] | 897×﹣37.5%+104×0.375 |
×27+16× | 1.1×1.1×11﹣1.1×1.1﹣1.1 |
16.(2022•华容县)脱式计算
(﹣)×30 | ﹣﹣+ | ×(0.6÷﹣) |
17.(2022•玉门市)科学合理计算能简算的要简算。
(+﹣)×72 | ÷+× | 1.25×3.2×0.8 |
18.(2022•慈溪市)脱式计算。(能简便的用简便方法计算)
180﹣60÷12×24 | 18﹣﹣ | 1.25×3.2×250 |
÷9+× | 24×(﹣+) | ÷[(2.4﹣)×] |
19.脱式计算,能简算的要简算
①68.5+3.15÷(0.29+0.41) | ②×+0.125×+0.5 | ③9405﹣2940÷28x21 |
④(+)÷+ | ⑤2.5×(+++) | ⑥[﹣(﹣)]÷70% |
20.(2022•通城县)脱式计算。
18×4﹣91÷7 | 10.2﹣0.7×(3.48+6.52) |
÷(÷+1) | ×[﹣(﹣0.25)] |
21.(2022•百色)用简便方法计算。
(1)25×13×4 | (2)7.3﹣0.37+2.7﹣0.63 | (3) |
整数、小数、分数、百分数计算题重难点真题汇编卷(试题)-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21小题)
1.【解答】解:(1)5.4×[(32.4+)÷]
=5.4×[33÷]
=5.4×75
=405
(2)2.03×101
=2.03×(10+11)
=2.03×100+2.03×1
=203+2.03
=205.03
(3)34.6×+85.4÷
=34.6×+85.4×
=(34.6+85.4)×
=120×
=80
(4)50.24﹣32.2﹣17.8
=50.24﹣(32.2+17.8)
=50.24﹣50
=0.24
2.【解答】解:7.4﹣6.62+20.6﹣13.38
=(7.4+20.6)﹣(6.62+13.38)
=28﹣20
=8
=×(+)
=
=
()÷
=()×48
=﹣+×48
=15﹣7+38
=46
2×0.8×12.5×50%
=(2×50%)×(12.5×0.8)
=1×10
=10
()
=÷()
=()
=
=
[1÷()]
=[1÷]
=
=
3.【解答】解:(1)12×7﹣121÷11
=84﹣11
=73
(2)2.5×24×0.5
=2.5×4×6×0.5
=(2.5×4)×(6×0.5)
=10×3
=30
(3)65×+65×
=65×(+)
=65×1
=65
(4)1.26÷[4.2×(1﹣)]
=1.26÷[4.2×]
=1.26÷3.5
=0.36
4.【解答】解:(1)6.52﹣0.36﹣0.64
=6.52﹣(0.36+0.64)
=6.52﹣1
=5.52
(2)7.5×(3.65﹣1.85)
=7.5×1.8
=13.5
(3)×+×
=×(+)
=×1
=
(4)8÷[(﹣)÷]
=8÷[÷]
=8÷
=18
5.【解答】解:4.9﹣0.7×1.5﹣0.95
=4.9﹣1.05﹣0.95
=4.9﹣(1.05+0.95)
=4.9﹣2
=2.9
÷15+×
=×+×
=×(+)
=×
=
3.5×[(702﹣270)÷16]
=3.5×[432÷16]
=3.5×27
=94.5
6.【解答】解:(1)3.6﹣(1.28+0.25)
=3.6﹣1.53
=2.07
(2)
=×
=
(3)21÷[()×]
=21÷[×]
=21÷
=35
(4)6.4×101
=6.4×(100+1)
=6.4×100+6.4×1
=640+6.4
=646.4
(5)3.6×
=(3.6+6.4)×
=10×
=7
(6)()×18
=×18+×18﹣×18
=4+12﹣15
=1
7.【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
8.【解答】解:(1)0.53×2.5+
=0.53×2.5+2.5×0.47
=(0.53+0.47)×2.5
=1×2.5
=2.5
(2)25×0.032×12.5
=25×0.4×0.08×12.5
=(25×0.4)×(0.08×12.5)
=10×1
=10
(3)[()×]
=[(×]
=
=
(4)6.83+17.9﹣0.83+32.1
=(6.83﹣0.83)+(17.9+32.1)
=6+50
=56
9.【解答】解:(1)[(1﹣)]
=[]
=
=
(2)95.6×
=95.6×18﹣95.6×9+95.6
=95.6×(18﹣9+1)
=95.6×10
=956
(3)17.83﹣(6.29+8.83)﹣1.71
=17.83﹣6.29﹣8.83﹣1.71
=(17.83﹣8.83)﹣(6.29+1.71)
=9﹣8
=1
(4)5.7×[()]
=5.7×[]
=5.7×
=1.5
10.【解答】解:(1)÷[+(﹣)]
=÷[+]
=÷
=2
(2)22.7﹣1.8﹣7.2
=22.7﹣(1.8+7.2)
=22.7﹣10
=12.7
(3)(2+﹣)×21
=2×21+×21﹣×21
=42+14﹣9
=47
11.【解答】解:(1)12.7+8.6+0.4+7.3
=12.7+7.3+8.6+0.4
=(12.7+7.3)+(8.6+0.4)
=20+9
=29
(2)×90+×10
=×(90+10)
=×100
=80
(3)6÷[1﹣()]
=6÷[1﹣]
=6÷
=12
12.【解答】解:(1)8.8﹣6.75+9.2﹣0.25
=8.8+9.2﹣6.75﹣0.25
=(8.8+9.2)﹣(6.75+0.25)
=18﹣7
=11
(2)0.25×1.25×32
=0.25×1.25×(8×4)
=(0.25×4)×(1.25×8)
=1×10
=10
(3)3.14×[2.4÷(1.6×)]
=3.14×[2.4÷0.8]
=3.14×3
=9.42
13.【解答】解:(1)(+﹣)×12
=×12+×12﹣×12
=5+14﹣4
=19﹣4
=15
(2)0.5×[(3.6+4.4)÷0.4]
=0.5×[8÷0.4]
=0.5×20
=10
(3)40%×+×
=(40%+)×
=1×
=
14.【解答】解:(1)64×101
=64×(100+1)
=64×100+64
=6464
(2)12.6÷3+5.8
=4.2+5.8
=10
(3)8﹣
=8﹣(++)
=8﹣1
=7
(4)×20+×4
=×(20+4)
=×24
=9
15.【解答】解:(1)7.2÷[28×(1﹣)]
=7.2÷[28×]
=7.2÷12
=0.6
(2)897×﹣37.5%+104×0.375
=(897﹣1+104)×0.375
=1000×0.375
=375
(3)×27+16×
=×16+16×
=(+)×16
=2×16
=32
(4)1.1×1.1×11﹣1.1×1.1﹣1.1
=1.1×1.1×(11﹣1)﹣1.1
=1.1×1.1×10﹣1.1
=1.1×11﹣1.1
=1.1×(11﹣1)
=1.1×10
=11
16.【解答】解:(1)(﹣)×30
=×30﹣×30
=27﹣14
=13
(2)﹣﹣+
=+﹣﹣
=(+)﹣(+)
=2﹣1
=1
(3)×(0.6÷﹣)
=×(﹣)
=×
=
17.【解答】解:(1)(+﹣)×72
=72×+72×﹣×72
=56+60﹣18
=98
(2)÷+×
=×+×
=×(+)
=
(3)1.25×3.2×0.8
=1.25×0.8×3.2
=1×3.2
=3.2
18.【解答】解:(1)180﹣60÷12×24
=180﹣5×24
=180﹣120
=60
(2)18﹣﹣
=18﹣(+)
=18﹣8
=10
(3)1.25×3.2×250
=1.25×(8×0.4)×250
=(1.25×8)×(0.4×250)
=10×100
=1000
(4)÷9+×
=×+×
=(=+)
=×
=
(5)24×(﹣+)
=24×﹣24×+24×
=21﹣20+6
=1+6
=7
(6)÷[(2.4﹣)×]
=÷[0.8×]
=÷
=
19.【解答】解:①68.5+3.15÷(0.29+0.41)
=68.5+3.15÷0.7
=68.5+4.5
=73
②×+0.125×+0.5
=(+0.125+1)×
=2×
=1
③9405﹣2940÷28×21
=9405﹣105×21
=9405﹣2205
=7200
④(+)÷+
=÷+
=+
=2
⑤2.5×(+++)
=2.5×(×4)
=2.5×4×
=10×
=9
⑥[﹣(﹣)]÷70%
=[﹣]÷70%
=÷70%
=
20.【解答】解:(1)18×4﹣91÷7
=72﹣13
=59
(2)10.2﹣0.7×(3.48+6.52)
=10.2﹣0.7×10
=10.2﹣7
=3.2
(3)÷(÷+1)
=÷(6+1)
=÷7
=
(4)×[﹣(﹣0.25)]
=×[﹣+0.25]
=×[+0.25﹣]
=×[1﹣]
=×
=
21.【解答】解:(1)25×13×4
=25×4×13
=100×13
=1300
(2)7.3﹣0.37+2.7﹣0.63
=(7.3+2.7)﹣(0.37+0.63)
=10﹣1
=9
(3)
=×+×
=(+)×
=1×
=
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