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人教版
展开整数、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人教版
一.计算题(共21小题)
1.(2022•武昌区模拟)脱式计算,能简算就简算。
101×87﹣87 | 7.25﹣3 |
2.(2022•巩义市)用你喜欢的方法计算。
①2÷2.5+2.5×0.8 | ②100﹣40×8.9×0.25 |
③65×75%+23×﹣8×0.75 | ④24÷[(﹣)×(5.7﹣2.7)] |
3.(2022•莆田)怎样简便就怎样算。
(52﹣216÷18)×25 | ÷4﹣× | (﹣)× |
4.(2022•西安)计算下面各题,怎样简便就怎样算。
49×﹣36×
+75%+0.25+
÷[×(﹣)]
5.(2022•富平县)仔细算一算,怎样简便就怎样计算。
×+÷5 | ÷[(1﹣)×] | 25×3.2×12.5 |
6.(2022•呼和浩特)怎样简便就怎样算。
3248÷16﹣8.4×2.5 | 4.8×(+﹣) | 2.5×96 |
64.8÷(22.4﹣1.7﹣15.3) | ×[14÷(﹣)] | (+)÷×3.6 |
7.(2022•洛南县)用简便方法计算,要求写出简算的主要过程。
361﹣99 | 0.7+3.8+4.2+9.3 | ×+× | 9.4×+0.25× |
8.(2022•西安)计算下面各题,怎样简便就怎样算。
87.5+ | 3.5×+5.5×80%+0.8 | ] |
9.(2022•米脂县)计算下面各题,怎样简便就怎样算。
18.9+19.8+1.1﹣9.8 | 6.75×+4.25×0.6﹣60% |
10.(2022•紫阳县)脱式计算,能简算的要简算。
25×32 | (+﹣)×24 |
125%÷9+1.25× | 1+(+)÷ |
11.(2022•宁强县)计算下面各题,怎样简便就怎样算。
32.4﹣5.72﹣4.28 |
12.(2022•神木市)仔细算一算,能用简便运算的就用简便运算。
64÷ | 12× | 1.25×0.25×4×0.8 |
13.(2022•应城市)计算下面各题,怎样简便就怎样算。
(1)72÷[960÷(145﹣65)] | (2)71﹣÷﹣ |
(3)÷7+× | (4)7.8÷[28×(1﹣)+3.6] |
14.(2022春•洋县月考)计算下面各题,能简算的简算
(+﹣50%)× | 9.5×2.8+8.2×9.5﹣9.5 | ÷() |
15.(2022春•通渭县月考)列式计算。
(1)甲数是13.2,用它与9.8的差除以,得多少?
(2)一个数的是150,它的80%是多少?
16.(2022春•通渭县月考)脱式计算,能简算的要简算。
4.78﹣+13.22﹣ | 1.25×32×2.5 | ×12.8+0.75×6.2+75% | ÷[1﹣(+)] |
17.(2022•广元)计算下面各题,能简算的要简算。
3600÷25÷4 | |
0.6×3.3+×7.7﹣60% | ÷[﹣(﹣0.25)] |
18.(2022•苍南县)脱式计算,能简便运算的要简便运算。
(1)6432÷16+8.9 | (2)(25%×8+13)× |
(3)2.7×+5.3÷ | (4)1.25×320×25% |
19.(2022•惠来县)脱式计算,用你喜欢的方式计算。
8×1.25 | |
96÷[56+(0.6250)] | 1.35×65+6.5×86.5 |
20.(2022•虞城县)脱式计算。(能简算的要简算)
0.175÷0.25×4 | 48﹣(32÷﹣) | 5.125×+2.875÷4 |
21.(2022•八步区)计算下面各题。
5.8﹣1.9﹣2.1 | ×2.5××4 |
÷(﹣)× | 83×0.75+17÷ |
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)101×87﹣87
=(101﹣1)×87
=100×87
=8700
(2)7.25﹣3
=(7.25+3.75)﹣(3+6)
=11﹣10
=1
(3)×[﹣(﹣)]
=×[+﹣]
=×
=
2.【解答】解:①2÷2.5+2.5×0.8
=0.8+2
=2.8
②100﹣40×8.9×0.25
=100﹣40×0.25×8.9
=100﹣10×8.9
=100﹣89
=11
③65×75%+23×﹣8×0.75
=65×0.75+23×0.75﹣8×0.75
=(65+23﹣8)×0.75
=80×0.75
=60
④24÷[(﹣)×(5.7﹣2.7)]
=24÷[×3]
=24×
=16
3.【解答】解:(1)(52﹣216÷18)×25
=(52﹣12)×25
=40×25
=1000
(2)÷4﹣×
=×(﹣)
=×
=
(3)(﹣)×
=×
=÷
=
4.【解答】解:(1)49×﹣36×
=×(49﹣36)
=×13
=3
(2)+75%+0.25+
=+0.75+0.25+
=(+)+(0.75+0.25)
=1+1
=2
(3)÷[×(﹣)]
=÷[×]
=÷
=
5.【解答】解:(1)×+÷5
=×+×
=(+)×
=1×
=
(2)÷[(1﹣)×]
=÷[×]
=÷
=1
(3)25×3.2×12.5
=25×(4×0.8)×12.5
=(25×4)×(0.8×12.5)
=100×10
=1000
6.【解答】解:(1)3248÷16﹣8.4×2.5
=203﹣21
=182
(2)4.8×(+﹣)
=4.8×+4.8×﹣×4.8
=1.2+4﹣3.2
=2
(3)2.5×96
=2.5×(100﹣4)
=2.5×100﹣2.5×4
=250﹣10
=240
(4)64.8÷(22.4﹣1.7﹣15.3)
=64.8÷[22.4﹣(1.7+15.3)]
=64.8÷[22.4﹣17]
=64.8÷5.4
=12
(5)×[14÷(﹣)]
=×[14÷]
=×30
=55
(6)(+)÷×3.6
=÷×3.6
=×3.6
=7.5
7.【解答】解:(1)361﹣99
=361﹣(100﹣1)
=361﹣100+1
=261+1
=262
(2)0.7+3.8+4.2+9.3
=(0.7+9.3)+(3.8+4.2)
=10+8
=18
(3)×+×
=×(+)
=×1
=
(4)9.4×+0.25×
=×(9.4+0.6)
=×10
=2.5
8.【解答】解:(1)87.5+
=(87.5+12.5)+(﹣)
=100+1
=101
(2)3.5×+5.5×80%+0.8
=(3.5+5.5+1)×0.8
=10×0.8
=8
(3)]
=÷[×]
=÷
=6
9.【解答】解:(1)18.9+19.8+1.1﹣9.8
=(18.9+1.1)+(19.8﹣9.8)
=20+10
=30
(2)
=[1﹣]÷
=÷
=4
(3)6.75×+4.25×0.6﹣60%
=(6.75+4.25﹣1)×0.6
=10×0.6
=6
10.【解答】解:(1)25×32
=(25×4)×8
=100×8
=800
(2)(+﹣)×24
=×24+×24﹣×24
=4+3﹣2
=5
(3)125%÷9+1.25×
=1.25×(+)
=1.25×1
=1.25
(4)1+(+)÷
=1+÷
=1+7.5
=8.5
11.【解答】解:(1)32.4﹣5.72﹣4.28
=32.4﹣(5.72+4.28)
=32.4﹣10
=22.4
(2)
=(0.26+0.64)×
=0.9×
=0.1
(3)
=64÷[×]
=64÷
=256
12.【解答】解:(1)64÷
=64÷[×]
=64÷
=256
(2)12×
=12×﹣12×+12×
=4﹣3+10
=11
(3)1.25×0.25×4×0.8
=(1.25×0.8)×(0.25×4)
=1×1
=1
13.【解答】解:(1)72÷[960÷(145﹣65)]
=72÷[960÷80]
=72÷12
=6
(2)71﹣÷﹣
=71﹣﹣
=71﹣(+)
=71﹣1
=70
(3)÷7+×
=×(+)
=×
=
(4)7.8÷[28×(1﹣)+3.6]
=7.8÷[28×1﹣28×+3.6]
=7.8÷[28﹣16+3.6]
=7.8÷[12+3.6]
=7.8÷15.6
=0.5
14.【解答】解:(1)(+﹣50%)×
=(﹣50%)×
=1×
=
(2)9.5×2.8+8.2×9.5﹣9.5
=9.5×(2.8+8.2﹣1)
=9.5×10
=95
(3)÷()
=÷(+)
=÷
=
15.【解答】解:(1)(13.2﹣9.8)÷
=3.4÷
=6.8
答:得6.8。
(2)150÷×80%
=250×80%
=200
答:它的80%是200。
16.【解答】解:(1)4.78﹣+13.22﹣
=(4.78+13.22)﹣(+)
=18﹣2
=16
(2)1.25×32×2.5
=1.25×(4×8)×2.5
=(1.25×8)×(2.5×4)
=10×10
=100
(3)×12.8+0.75×6.2+75%
=0.75×12.8+0.75×6.2+0.75
=0.75×(12.8+6.2+1)
=0.75×20
=15
(4)÷[1﹣(+)]
=÷[1﹣]
=÷
=
17.【解答】解:(1)3600÷25÷4
=3600÷(25×4)
=3600÷100
=36
(2)
=(+)﹣(+)
=1﹣1
=0
(3)0.6×3.3+×7.7﹣60%
=0.6×(3.3+7.7﹣1)
=0.6×10
=6
(4)÷[﹣(﹣0.25)]
=÷[+0.25﹣]
=÷[1﹣]
=÷
=
18.【解答】解:(1)6432÷16+8.9
=402+8.9
=410.9
(2)(25%×8+13)×
=(2+13)×
=15×
=10
(3)2.7×+5.3÷
=×(2.7+5.3)
=×8
=7
(4)1.25×320×25%
=(1.25×8)×(40×25%)
=10×10
=100
19.【解答】解:(1)×÷
=×
=
(2)8×1.25
=(×)×(8×1.25)
=1×10
=10
(3)96÷[56+(0.6250)]
=96÷[56+(0.6250)]
=96÷[56+0]
=96÷56
=
(4)1.35×65+6.5×86.5
=65×(1.35+8.65)
=65×10
=650
20.【解答】解:(1)0.175÷0.25×4
=0.7×4
=2.8
(2)48﹣(32÷﹣)
=48﹣(12﹣)
=48﹣
=38
(3)5.125×+2.875÷4
=5.125×+2.875×
=(5.125+2.875)×
=8×
=2
21.【解答】解:(1)5.8﹣1.9﹣2.1
=5.8﹣(1.9+2.1)
=5.8﹣4
=1.8
(2)×2.5××4
=(×)×(2.5×4)
=3×10
=30
(3)÷(﹣)×
=÷×
=×
=
(4)83×0.75+17÷
=0.75×(83+17)
=0.75×100
=75
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