所属成套资源:小升初分班考真题汇编-小学数学六年级下册北师大版
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北师大版
展开这是一份整数、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北师大版,共24页。试卷主要包含了脱式计算,计算下面各题,能简算的要简算,下列能简便的要简便,计算下面各题,能简算的要简算,选择适当的方法计算,递等式计算,怎么简便怎么算等内容,欢迎下载使用。
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北师大版
一.计算题(共21小题)
1.(2022•铜仁市)脱式计算。
38×406÷2.9
++3.875+
23﹣10.4÷(7.1﹣5.8)
2.(2022•青岛模拟)计算下面各题,能简算的要简算。
6+
1﹣0.63÷0.9﹣0.1
64÷[
3.(2022•天桥区)下列能简便的要简便。
[2﹣(+)]÷
47×+23×
++0.875+0.2
7.2﹣(0.8+0.32)÷1.4
4.(2022•镇原县)下面各题,能简便计算的要用简便方法计算。
(10.5﹣6)×(1.2÷2.4)
0.8×0.87×1.25
×11﹣4÷
[1÷(﹣)]×
5.(2022•梁子湖区)计算下面各题,能简算的要简算。
①0.7+3.8+4.2+9.3
②+÷
③(1+)÷(1﹣)
④×+×
⑤÷[×(+)]
6.(2022•长垣市)计算下面各题。(能简算的要简算)
2.5×4÷×4
4.96×[4.55÷(2﹣1.09)]
2.3﹣4.05+7.7+5.95
46×75%+64÷﹣7.5
7.(2022春•汉寿县期中)计算下面各题。
6.3﹣2.9﹣2.1+5.7
20﹣1.53÷1.5+0.2
×[÷(﹣)]
÷[×(0.4+)]
8.(2022•科左中旗模拟)能简算的要简算。
65×(﹣)
18.52÷+5.48×
7.6×+1.4×0.8+80%
35.4÷12.5÷0.8
17.83﹣6.97+2.17﹣3.03
1998×
9.(2022•杭州)选择适当的方法计算
①26×35+5.4÷0.27
②0.6×49+52×﹣60%
③1÷[2﹣(+)]
④18.25﹣(6.45﹣1)
⑤(+)×7÷15
⑥(5.6﹣×19.2)÷
10.(2022春•杭州期中)递等式计算,怎么简便怎么算。
7.2×+4.5×
48×()×16
26.3÷2.5÷4+0.37
()×7﹣28÷29
11.(2022•镇海区)用合理的方法脱式计算(能简算的要写出简算过程)。
9.375﹣4.5﹣(﹣)
3.2×0.25×125
÷[(﹣25%)÷]
(+﹣)÷
(3.2×1.5+2.4)÷1.6
0.75×65+×34+75%
12.(2022春•洋县期中)脱式计算,能简算的简算。
(7.5+2.5)×0.25
2.75×1.8+12.5×0.18
[1﹣()]×36
13.(2022•合肥)下面各题,怎样算简便就怎样算。
69÷[1.4﹣(6.5﹣5.4)]
21.8×9.7+2.18×3
()÷
14.(2021秋•邵阳期末)计算,能简便的要简便计算。
(﹣+)÷
÷+×
2.3×85+23×1.5
4×0.8×2.5×12.5
15.(2022•长沙)脱式计算。
12.6﹣2.6﹣7.4
×
7﹣6×
16.(2021秋•台山市期末)用递等式计算(能简算的要简算):
×÷
÷1.25÷80%
1÷﹣×
+÷3
÷(﹣+)
÷(+)
17.(2021秋•武侯区期末)计算下面各题。(能简算的请简算)
①32×125
②74+358+426
③600﹣173﹣227
④48×93+93×52
⑤315×102
⑥73×4﹣120÷5
⑦(273÷13+209)×80
⑧576÷[12×(103﹣97)]
18.(2022•万州区)用递等式计算,能简算的要简算。
(1)1.25×32×25%
(2)0.75×6+14×
(3)6﹣﹣1÷
(4)﹣(﹣)]
19.(2022•淮滨县)选择合适的方法计算。
(1)﹣+﹣
(2)(+﹣)×30
(3)×101﹣0.75
(4)2﹣÷﹣
20.(2022秋•新华区期末)怎么算简便就怎么算。
5÷﹣×
÷[(+)×]
0.4×13+×12
﹣(+)
(+)×3×7×5
17×
21.(2022秋•玉州区期末)计算,能简算的要简算。
73×
5.2×50%+3.6×
÷(1﹣×)
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北师大版
参考答案与试题解析
一.计算题(共21小题)
1.【解答】解:(1)38×406÷2.9
=15428÷2.9
=5320
(2)++3.875+
=(+3.875)+(+)
=4+2
=6
(3)23﹣10.4÷(7.1﹣5.8)
=23﹣10.4÷1.3
=23﹣8
=15
2.【解答】解:(1)÷6+×
=×+×
=(+)×
=×
=
(2)1﹣0.63÷0.9﹣0.1
=1﹣0.7﹣0.1
=1﹣(0.7+0.1)
=1﹣0.8
=0.2
(3)64÷[÷(﹣)]
=64÷[÷]
=64÷
=24
(4)××35×54
=×35××54
=(×35)×(×54)
=25×24
=600
3.【解答】解:(1)[2﹣(+)]÷
=[2﹣]÷
=÷
=
(2)47×+23×
=(47+23)×
=70×
=80
(3)++0.875+0.2
=+0.2++0.875
=(+0.2)+(+0.875)
=0.8+1
=1.8
(4)7.2﹣(0.8+0.32)÷1.4
=7.2﹣1.12÷1.4
=7.2﹣0.8
=6.4
4.【解答】解:(1)(10.5﹣6)×(1.2÷2.4)
=4.5×0.5
=2.25
(2)0.8×0.87×1.25
=0.8×1.25×0.87
=1×0.87
=0.87
(3)×11﹣4÷
=×11﹣4×
=×(11﹣4)
=×7
=
(4)[1÷(﹣)]×
=[1÷]×
=8×
=
5.【解答】解:①0.7+3.8+4.2+9.3
=(0.7+9.3)+(3.8+4.2)
=10+8
=18
②+÷
=+
=
③(1+)÷(1﹣)
=÷
=2
④×+×
=×(+)
=×1
=
⑤÷[×(+)]
=÷[×]
=÷
=
6.【解答】解:(1)2.5×4÷×4
=10÷×4
=25×4
=100
(2)4.96×[4.55÷(2﹣1.09)]
=4.96×[4.55÷0.91]
=4.96×5
=24.8
(3)2.3﹣4.05+7.7+5.95
=2.3+7.7+5.95﹣4.05
=(2.3+7.7)+(5.95﹣4.05)
=10+1.9
=11.9
(4)46×75%+64÷﹣7.5
=46×75%+64×﹣0.75×10
=(46+64﹣10)×75%
=100×75%
=75
7.【解答】解:(1)6.3﹣2.9﹣2.1+5.7
=(6.3+5.7)﹣(2.9+2.1)
=12﹣5
=7
(2)20﹣1.53÷1.5+0.2
=20﹣1.02+0.2
=18.98+0.2
=19.18
(3)×[÷(﹣)]
=×[÷]
=×
=2
(4)÷[×(0.4+)]
=÷[×]
=÷
=
8.【解答】解:(1)65×(﹣)
=65×﹣65×
=52﹣35
=17
(2)18.52÷+5.48×
=18.52×+5.48×
=(18.52+5.48)×
=24×
=40
(3)7.6×+1.4×0.8+80%
=(7.6+1.4+1)×
=10×
=8
(4)35.4÷12.5÷0.8
=35.4÷(12.5×0.8)
=35.4÷10
=3.54
(5)17.83﹣6.97+2.17﹣3.03
=17.83+2.17﹣6.97﹣3.03
=17.83+2.17﹣(6.97+3.03)
=20﹣10
=10
(6)1998×
=(1997+1)×
=1997×+1×
=1995+
=1995
9.【解答】解:①26×35+5.4÷0.27
=910+20
=930
②0.6×49+52×﹣60%
=0.6×49+52×0.6﹣0.6
=0.6×(49+52﹣1)
=0.6×100
=60
③1÷[2﹣(+)]
=1÷[2﹣]
=1÷
=
④18.25﹣(6.45﹣1)
=18.25﹣6.45+1
=18.25+1﹣6.45
=20﹣6.45
=13.55
⑤(+)×7÷15
=×7÷15
=÷15
=
⑥(5.6﹣×19.2)÷
=(5.6﹣3.2)÷
=2.4÷
=8.8
10.【解答】解:(1)7.2×+4.5×
=4.5×(7.2+2.8)
=4.5×10
=45
(2)48×()×16
=48××16﹣×48×16
=240﹣96
=144
(3)26.3÷2.5÷4+0.37
=26.3÷(2.5×4)+0.37
=26.3÷10+0.37
=2.63+0.37
=3
(4)()×7﹣28÷29
=()×7﹣
=(×7+×7)﹣
=5+(﹣)
=5+0
=5
11.【解答】解:(1)9.375﹣4.5﹣(﹣)
=9.375﹣4.5﹣+
=(9.375+)﹣(4.5+)
=10﹣5
=5
(2)3.2×0.25×125
=(0.4×0.25)×(8×125)
=0.1×1000
=100
(3)÷[(﹣25%)÷]
=÷[÷]
=÷
=
(4)(+﹣)÷
=(+﹣)×24
=×24+×24﹣×24
=20+21﹣10
=31
(5)(3.2×1.5+2.4)÷1.6
=(4.8+2.4)÷1.6
=4.5
(6)0.75×65+×34+75%
=0.75×(65+34+1)
=0.75×100
=75
12.【解答】解:(1)(7.5+2.5)×0.25
=10×0.25
=2.5
(2)2.75×1.8+12.5×0.18
=2.75×1.8+1.25×1.8
=(2.75+1.25)×1.8
=4×1.8
=7.2
(3)[1﹣()]×36
=1×36﹣×36﹣×36
=36﹣18﹣12
=6
13.【解答】解:(1)
=×(﹣)
=×
=
(2)69÷[1.4﹣(6.5﹣5.4)]
=69÷[1.4﹣1.1]
=69÷0.3
=230
(3)21.8×9.7+2.18×3
=21.8×(9.7+0.3)
=21.8×10
=218
(4)()÷
=××
=×
=
14.【解答】解:(1)(﹣+)÷
=(﹣+)×24
=×24﹣×24+×24
=16﹣12+4
=8
(2)÷+×
=×+×
=(+)×
=1×
=
(3)2.3×85+23×1.5
=23×8.5+23×1.5
=23×(8.5+1.5)
=23×10
=230
(4)4×0.8×2.5×12.5
=(4×2.5)×(0.8×12.5)
=10×10
=100
15.【解答】解:(1)12.6﹣2.6﹣7.4
=12.6﹣(2.6+7.4)
=12.6﹣10
=2.6
(2)×
=×+×
=(+)×
=1×
=
(3)7﹣6×
=7﹣5+
=2+
=2
16.【解答】解:×÷
=××
=
÷1.25÷80%
=÷÷
=××
=
1÷﹣×
=1×﹣×
=×(1﹣)
=×
=
+÷3
=+×
=+
=
÷(﹣+)
=÷(+﹣)
=÷(1﹣)
=÷
=×
=
÷(+)
=÷
=×
=
17.【解答】解:①32×125
=4×(8×125)
=4×1000
=4000
②74+358+426
=358+(74+426)
=358+500
=858
③600﹣173﹣227
=600﹣(173+227)
=600﹣400
=200
④48×93+93×52
=93×(48+52)
=93×100
=9300
⑤315×102
=315×(100+2)
=315×100+315×2
=31500+630
=32130
⑥73×4﹣120÷5
=292﹣24
=268
⑦(273÷13+209)×80
=(21+209)×80
=230×80
=18400
⑧576÷[12×(103﹣97)]
=576÷[12×6]
=576÷72
=8
18.【解答】解:(1)1.25×32×25%
=1.25×8×4×25%
=(1.25×8)×(4×25%)
=10×1
=10
(2)0.75×6+14×
=0.75×(6+14)
=0.75×20
=15
(3)6﹣﹣1÷
=6﹣﹣
=6﹣(+)
=6﹣1
=5
(4)﹣(﹣)]
=+﹣]
=÷[1﹣]
=÷
=
19.【解答】解:(1)﹣+﹣
=+﹣﹣
=(+)﹣(+)
=1﹣
=
(2)(+﹣)×30
=×30+×30﹣×30
=12+5﹣4
=17﹣4
=13
(3)×101﹣0.75
=×(101﹣1)
=×100
=75
(4)2﹣÷﹣
=2﹣﹣
=2﹣()
=2﹣2
=0
20.【解答】解:(1)5÷﹣×
=7﹣
=6
(2)÷[(+)×]
=÷[×]
=÷
=
(3)0.4×13+×12
=0.4×(13+12)
=0.4×25
=10
(4)﹣(+)
=﹣﹣
=1﹣
=
(5)(+)×3×7×5
=×3×7×5+×3×7×5
=70+30
=100
(6)17×
=(16+1)×
=16×+
=15+
=15
21.【解答】解:(1)73×
=(72+1)×
=72×+1×
=3+
=3
(2)5.2×50%+3.6×
=5.2×0.5+3.6×0.5
=(5.2+3.6)×0.5
=8.8×0.5
=4.4
(3)÷(1﹣×)
=÷(1﹣)
=÷
=
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