整数、小数、分数与百分数四则混合运算真题检测卷-小学数学六年级下册北师大版
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这是一份整数、小数、分数与百分数四则混合运算真题检测卷-小学数学六年级下册北师大版,共16页。试卷主要包含了计算,能简算的要简算,计算下面各题,怎样简便就怎样算,计算,能简便计算的要简算,下列各题,怎样简便就怎样算,脱式计算,能简算的要简算等内容,欢迎下载使用。
整数、小数、分数与百分数四则混合运算真题检测卷-小学数学六年级下册北师大版
一.计算题(共21小题)
1.(2022•忠县)计算,能简算的要简算。
101×32
2.74+8.67+7.26+11.33
18.8﹣5.8﹣﹣4.2﹣
×+÷
0.888×125×73+999×3
4﹣[3.75×(1.2﹣)+]
2.(2022•临城县)计算下面各题(能简算的要简算)。
(1)45﹣180÷1.8×0.25
(2)24×(﹣)
(3)(4.5﹣3.2×)÷
(4)×[(﹣0.5)÷]
3.(2022•邻水县)计算下面各题,怎样简便就怎样算。
﹣0.43+﹣0.57
1.25×2.5×32
80%÷[(﹣)÷0.625]
4.(2022•衡阳县)计算,能简便计算的要简算。
×+3÷4×
0.125×32×25%
3.68×
×
5.(2022•曲靖)用递等式计算下面各题,怎样简便就怎样算。
6.4×2.5×1.25
8.5×98%
÷4+×
×
6.(2022•岳池县)下列各题,怎样简便就怎样算。
①676÷13÷17×20
②59×101
③2﹣÷﹣
④25×12.8×40
⑤3.7×0.25+6.3÷4
⑥×[÷(+)]
7.(2022•枣庄)计算,能简算的要简算。
25×3.2×125
99×12
6﹣(+5)
(﹣÷)÷
8.(2022•永年区)脱式计算。(能简算的要简算)
0.8×0.4×12.5×0.25
14×19×()
÷[(+)÷]
9.(2022•中山区)脱式计算,能简算的要简算。
36×()
1.3×37.5%+2.7×
[()]
13÷()×
10.(2022•固始县)脱式计算。(能简算的要简算)
5.8﹣1.9+4.2﹣8.1
×30﹣2÷
×67.8+54.3÷1﹣22.1×90%
11.(2022•桂林)用你喜欢的方法计算。
(1)367+﹣267+
(2)7.4+2.6×
(3)÷[60×(48%﹣0.28)]
(4)20.22×2.02+2.022×29.8
12.(2022•淅川县)计算下面各题,能简算要写出简算过程。
(1)÷()
(2)7.58×+42%÷
(3)4.65﹣+5.35﹣
(4)()×()
(5)÷[()×]
(6)11×()×38
13.(2022•邓州市)计算下面各题,能简算的要简算。
(1)()×36
(2)÷()
(3)36.13﹣(14.32﹣2.87)﹣15.68
(4)÷+×
14.(2022春•永康市期末)递等式计算。(能简便的用简便计算)
7.5×+7.5×
30×(﹣﹣)
10﹣﹣
15.(2022•固镇县)脱式计算,能简算要简算。
2.5×32%×1.25
12÷﹣÷12
++÷8
0.375×(÷(﹣75%))
16.(2022•寻乌县)能简算的要简算。
(+)×2.4
×[﹣(﹣)]
×+÷
3.2×25%×12.5
17.(2022•武陵区)计算下面各题,能简算的要简算。
5.125﹣+﹣
(+﹣)×3.6
(3+﹣)÷
2.5×0.32×125%
18.(2022•万州区)脱式计算,能简算的要简算。
5.58﹣+5.42﹣
(+)×11﹣44÷13
64÷+37×40%﹣0.4
19.(2022•偃师市)用你喜欢的方法计算下面各题。
(6.4+0.96)÷0.08
[()]
()×24
0.4+
20.(2022•藁城区)计算,能简算的要简算。
38.39﹣(+8.39)
20﹣72×(+)
(12.5×8﹣40)÷0.6
÷[×()]
21.(2022•汝州市)下面各题,怎样算简便就怎样算。
(1)20×(2﹣+0.25)
(2)9.75+99.75+999.75+9999.75
(3)×27
(4)
整数、小数、分数与百分数四则混合运算真题检测卷-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)101×32
=(100+1)×32
=100×32+1×32
=3200+32
=3232
(2)2.74+8.67+7.26+11.33
=(2.74+7.26)+(8.67+11.33)
=10+20
=30
(3)18.8﹣5.8﹣﹣4.2﹣
=18.8﹣(5.8+4.2)﹣(+)
=18.8﹣10﹣1
=7.8
(4)×+÷
=×+×
=(+)×
=1×
=
(5)0.888×125×73+999×3
=0.111×8×125×73+999×3
=0.111×(8×125)×73+999×3
=0.111×1000×73+999×3
=111×73+(999÷9)×(3×9)
=111×73+111×27
=111×(73+27)
=111×100
=11100
(6)4﹣[3.75×(1.2﹣)+]
=4﹣[3.75×0.4+]
=4﹣[1.5+0.75]
=4﹣2.25
=1.75
2.【解答】解:(1)45﹣180÷1.8×0.25
=45﹣100×0.25
=45﹣25
=20
(2)24×(﹣)
=24×﹣24×
=15﹣4
=11
(3)(4.5﹣3.2×)÷
=(4.5﹣2)÷
=2.5÷
=15
(4)×[(﹣0.5)÷]
=×[0.3÷]
=×1.2
=1
3.【解答】解:(1)﹣0.43+﹣0.57
=+﹣0.57﹣0.43
=(+)﹣(0.57+0.43)
=1﹣1
=0
(2)1.25×2.5×32
=1.25×2.5×(4×8)
=(1.25×8)×(2.5×4)
=10×1
=10
(3)80%÷[(﹣)÷0.625]
=80%÷[÷0.625]
=80%÷
=4
4.【解答】解:(1)×+3÷4×
=×+×
=(+)×
=1×
=
(2)0.125×32×25%
=0.125×(8×4)×25%
=(0.125×8)×(4×25%)
=1×1
=1
(3)3.68×[1÷(2﹣2.09)]
=3.68×[1÷0.01]
=3.68×100
=368
(4)×[÷(﹣)]
=×[÷]
=×
=1
5.【解答】解:6.4×2.5×1.25
=8×0.8×2.5×1.25
=(8×2.5)×(0.8×1.25)
=20×1
=20
8.5×98%
=8.5×(1﹣0.02)
=8.5×1﹣8.5×0.02
=8.5﹣0.17
=8.33
÷4+×
=×+×
=(+)×
=1×
=
×
=×[÷]
=×
=
6.【解答】解:①676÷13÷17×20
=52÷17×20
=×20
=
②59×101
=59×(100+1)
=59×100+59×1
=5900+59
=5959
③2﹣÷﹣
=2﹣﹣
=2﹣(+)
=2﹣2
=0
④25×12.8×40
=25×40×12.8
=100×12.8
=1280
⑤3.7×0.25+6.3÷4
=3.7×0.25+6.3×0.25
=(3.7+6.3)×0.25
=10×0.25
=2.5
⑥×[÷(+]
=×[÷]
=×
=
7.【解答】解:(1)25×3.2×125
=25×(0.4×8)×125
=(25×0.4)×(8×125)
=10×1000
=10000
(2)99×12
=(100﹣1)×12
=100×12﹣1×12
=1200﹣12
=1188
(3)6﹣(+5)
=6﹣5﹣
=1﹣
=
(4)(﹣÷)÷
=(﹣)÷
=×
=
8.【解答】解:(1)0.8×0.4×12.5×0.25
=(0.8×12.5)×(0.4×0.25)
=10×0.1
=1
(2)14×19×()
=14×19×+14×19×
=19+14
=33
(3)÷[(+)÷]
=÷[÷]
=÷3
=
9.【解答】解:(1)36×()
=36×﹣36×+36×
=27﹣24+30
=33
(2)1.3×37.5%+2.7×
=(1.3+2.7)×
=4×
=
(3)[()]
=[]
=×
=1
(4)13÷()×
=13÷×
=12×
=9
10.【解答】解:(1)5.8﹣1.9+4.2﹣8.1
=5.8+4.2﹣(1.9+8.1)
=10﹣10
=0
(2)×30﹣2÷
=×30﹣2×
=(30﹣2)
=
=20
(3)×67.8+54.3÷1﹣22.1×90%
=×67.8+54.3×﹣22.1×90%
=0.9×67.8+54.3×0.9﹣22.1×0.9
=0.9×(67.8+54.3﹣22.1)
=0.9×100
=90
11.【解答】解:(1)367+﹣267+
=367﹣267++
=(367﹣267)+(+)
=100+1
=101
(2)7.4+2.6×
=7.4+
=8
(3)÷[60×(48%﹣0.28)]
=÷[60×0.2]
=÷12
=
(4)20.22×2.02+2.022×29.8
=20.22×2.02+20.22×2.98
=20.22×(2.02+2.98)
=20.22×5
=101.1
12.【解答】解:(1)÷()
=÷
=
(2)7.58×+42%÷
=7.58×+42%×
=(7.58+0.42)×
=8×
=
(3)4.65﹣+5.35﹣
=(4.65+5.35)﹣(+)
=10﹣1
=9
(4)()×()
=×
=
(5)÷[()×]
=÷[×]
=÷
=
(6)11×()×38
=11××38+11××38
=22+38
=60
13.【解答】解:(1)()×36
=×36+×36﹣×36
=9+28﹣30
=7
(2)÷()
=÷
=×
=
(3)36.13﹣(14.32﹣2.87)﹣15.68
=36.13﹣14.32+2.87﹣15.68
=(36.13+2.87)﹣(14.32+15.68)
=39﹣30
=9
(4)÷+×
=×+×
=(+)×
=×
=
14.【解答】解:(1)
=×
=
(2)7.5×+7.5×
=7.5×(+)
=7.5×1
=7.5
(3)30×(﹣﹣)
=30×﹣30×﹣30×
=24﹣10﹣2
=12
(4)10﹣﹣
=10﹣(+)
=10﹣1
=9
15.【解答】解:(1)2.5×32%×1.25
=2.5×(0.4×0.8)×1.25
=(2.5×0.4)×(0.8×1.25)
=1×1
=1
(2)12÷﹣÷12
=20﹣
=19
(3)++÷8
=++×
=(++)×
=
=
(4)0.375×[÷(﹣75%)]
=0.375×[÷]
=0.375×
=
16.【解答】解:(1)(+)×2.4
=×2.4+×2.4
=2+0.9
=2.9
(2)×[﹣(﹣)]
=×[+﹣]
=×[1﹣]
=×
=
(3)×+÷
=×(+)
=×1
=
(4)3.2×25%×12.5
=(4×25%)×(0.8×12.5)
=1×10
=10
17.【解答】解:(1)5.125﹣+﹣
=(5.125+)﹣(+)
=5.25﹣1
=4.25
(2)(+﹣)×3.6
=×3.6+×3.6﹣×3.6
=1.6+1.5﹣1.4
=1.7
(3)(3+﹣)÷
=(3+﹣)×21
=3×21+×21﹣×21
=63+14﹣9
=68
(4)2.5×0.32×125%
=2.5×(0.4×0.8)×1.25
=(2.5×0.4)×(0.8×1.25)
=1×1
=1
18.【解答】解:(1)5.58﹣+5.42﹣
=5.58+5.42﹣﹣
=(5.58+5.42)﹣(+)
=11﹣1
=10
(2)(+)×11﹣44÷13
=×11+×11﹣
=5+(﹣)
=5+0
=5
(3)64÷+37×40%﹣0.4
=64×+37×40%﹣0.4
=(64+37﹣1)×
=100×
=40
(4)÷[×(0.4+)]
=÷[×1.2]
=÷1.8
=0.25
19.【解答】解:(1)(6.4+0.96)÷0.08
=6.4÷0.08+0.96÷0.08
=80+12
=92
(2)[()]
=[]
=÷
=
(3)()×24
=×24+×24﹣×24
=20+9﹣10
=19
(4)0.4+
=0.4×(+﹣1)
=0.4×0
=0
20.【解答】解:(1)38.39﹣(+8.39)
=38.39﹣8.39﹣
=30﹣
=23.8
(2)20﹣72×(+)
=20﹣[72×+72×]
=20﹣[8+6]
=20﹣14
=6
(3)(12.5×8﹣40)÷0.6
=(100﹣40)÷0.6
=60÷0.6
=100
(4)÷[×()]
=÷[×]
=÷
=
21.【解答】解:(1)20×(2﹣+0.25)
=20×2﹣20×+20×0.25
=40﹣8+5
=37
(2)9.75+99.75+999.75+9999.75
=9.75+99.75+999.75+9999.75+(0.25+0.25+0.25+0.25)﹣1
=(9.75+0.25)+(99.75+0.25)+(999.75+0.25)+(9999.75+0.25)﹣1
=10+100+1000+10000﹣1
=11110﹣1
=11109
(3)×27
=(×)×(×27)
=×15
=5
(4)
=×[÷]
=×6
=
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