所属成套资源:新初一分班考专题复习-小学数学六年级下册苏教版
(高频考点)新初一分班考专题7-整数、小数、分数、百分数计算题(专项突破)-小学数学六年级下册苏教版
展开
这是一份(高频考点)新初一分班考专题7-整数、小数、分数、百分数计算题(专项突破)-小学数学六年级下册苏教版,共25页。试卷主要包含了计算下面各题,能简算的要简算,能简算的要简算,计算下面各题,怎样简便怎样计算,脱式计算,能简算的要简算,用你喜欢的方法计算,选择合理的方法计算等内容,欢迎下载使用。
(高频考点)新初一分班考专题7-整数、小数、分数、百分数计算题(专项突破)-小学数学六年级下册苏教版
一.计算题(共26小题)
1.计算下面各题,能简算的要简算。
①20.17﹣2.26﹣17.84
②3×﹣÷11
③×[÷()]
2.能简算的要简算。
12.56﹣3.78﹣3.22
408×24﹣9250÷37
2.5×32×12.5
÷13+×
3.计算下面各题,怎样简便怎样计算。
51+385+49
3.9÷0.26×1.8
(﹣)×12
÷[×(﹣)]
4.计算下面各题,能简算的要简算。
346+178+422+654
12.7﹣3.6﹣5.4
56×()
12÷[1÷(﹣)]
13.6﹣(2.6+0.25÷25%)
5.76÷(3.6﹣2.7)
5.脱式计算,能简便的用简便方法计算。
(﹣+)÷
0.75×65+×36﹣75%
+++……+
1.25×2.5×32
6.脱式计算,能简算的要简算。
2.5×32×0.125
×(﹣)×
3.14×43+7.2×31.4﹣150×0.314
×[﹣(﹣)]
7.计算下面各题,能简算的要简算。
÷×
×3.2+6.8÷
105×(+)
﹣+﹣
6.4÷[(3﹣1.4)×]
8.请把计算过程或思考过程写在相应的位置。
(+﹣)÷
(﹣÷2)×
9.用你喜欢的方法计算。
15.7﹣3.28﹣4.72+1.3
1.25×0.32×250
(+﹣)×48
35÷[(﹣)×14]
10.选择合理的方法计算。
0.75×4.75+4
11.下面各题怎样简便就怎样计算。
36.7×1.25×8
8.5×5.67﹣7.5×5.67
12.计算。
20×20.1﹣1.9×201
13.下面各题,怎样简便就怎样算.
(15﹣15×)×
()×24
7
()×9×17
14.计算。
10×99+10
32×0.25×1.25
15.计算题。
864÷48+39
45÷18×2.4﹣2.75
16.怎样算简便怎样算。
()
12
5÷[()×]
2.5×3.2×0.125
0.125××8.25+12.5%
2﹣
17.计算下面各题。(能简便运算的要简便运算,并写出简算过程)。
﹣
(﹣)×18×12
2×1.5+4.5÷0.75
69×9.9+6.9
18.脱式计算,能简算的要简算。
(+)×21×25
(34+)÷17
15.28﹣3.99﹣6.01
19.仔细算一算,怎样简便就怎样计算。
25×0.8×40%×12.5
×+÷5
÷[(+)×30%]
20.计算,能简算的要简算。
72÷[960÷(145﹣65)]
13.76﹣﹣1.76﹣
[3﹣(+)]÷
7.2×1.02﹣1.02
21.下面各题怎样简便就怎样计算。
①12.7﹣4.8﹣4.2
②36××
③31.9×1.8﹣31.9×0.8
④48×102
⑤32×
⑥21
22.仔细算一算,怎样简便就怎样计算。
1.28×8.5+0.72×8.5
23.计算,能简算的要简算。
①5÷[(﹣)×]
②9.25﹣+﹣
③1.2×3.6+5.4×1.2+120%
④2.5×0.32×12.5
24.计算下面各题,怎样简便就怎样算。
6.67+16.67+3.33﹣6.67
88×+13×75%−0.75
110÷[×(−)]
25.仔细算一算,怎样简便就怎样计算。
9.2﹣4.25+10.8﹣5.75
÷+÷
×[(3+)×]
26.计算下面各题(能简算的用简便方法计算)
]
6.875﹣
372÷25÷0.4
77×
(高频考点)新初一分班考专题7-整数、小数、分数、百分数计算题(专项突破)-小学数学六年级下册苏教版
参考答案与试题解析
一.计算题(共26小题)
1.【解答】解:①20.17﹣2.26﹣17.84
=20.17﹣(2.26+17.84)
=20.17﹣20.1
=0.07
②3×﹣÷11
=3×﹣×
=(3﹣)×
=×
=
③×[÷()]
=×[÷]
=×
=4
2.【解答】解:(1)12.56﹣3.78﹣3.22
=12.56﹣(3.78+3.22)
=12.56﹣7
=5.56
(2)408×24﹣9250÷37
=9792﹣250
=9542
(3)2.5×32×12.5
=2.5×(4×8)×12.5
=(2.5×4)×(8×12.5)
=10×100
=1000
(4)÷13+×
=×+×
=(+)×
=1×
=
3.【解答】解:(1)51+385+49
=51+49+385
=100+385
=485
(2)3.9÷0.26×1.8
=15×1.8
=27
(3)(﹣)×12
=×12﹣×12
=9﹣4
=5
(4)÷[×(﹣)]
=÷[×]
=÷
=4
4.【解答】解:(1)346+178+422+654
=346+654+178+422
=(346+654)+(178+422)
=1000+600
=1600
(2)12.7﹣3.6﹣5.4
=12.7﹣(3.6﹣5.4)
=12.7﹣9
=3.7
(3)56×()
=56×﹣56×
=24﹣21
=3
(4)12÷[1÷(﹣)]
=12÷[1÷]
=12÷
=5
(5)13.6﹣(2.6+0.25÷25%)
=13.6﹣(2.6+1)
=13.6﹣3.6
=10
(6)5.76÷(3.6﹣2.7)
=5.76÷0.9
=6.4
5.【解答】解:(1)(﹣+)÷
=(﹣+)×24
=×24﹣×24+×24
=4﹣3+2
=1+2
=3
(2)0.75×65+×36﹣75%
=0.75×(65+36﹣1)
=0.75×100
=75
(3)+++……+
=(1﹣)+(﹣)+(﹣)+……+(﹣)
=1﹣+﹣+﹣+……+﹣
=1﹣
=
(4)1.25×2.5×32
=1.25×2.5×(4×8)
=(1.25×8)×(2.5×4)
=10×10
=100
6.【解答】解:(1)2.5×32×0.125
=2.5×(8×4)×0.125
=2.5×4×(8×0.125)
=10×1
=10
(2)×(﹣)×
=××
=××
=1×
=
(3)3.14×43+7.2×31.4﹣150×0.314
=3.14×43+72×3.14﹣15×3.14
=3.14×(43+72﹣15)
=3.14×100
=314
(4)×[﹣(﹣)]
=×[+﹣]
=×[1﹣]
=×
=
7.【解答】解:(1)×
=×
=1
(2)×3.2+6.8÷
=×3.2+6.8×
=×(3.2+6.8)
=×10
=
(3)105×(+)
=105×+105×
=35+21
=56
(4)﹣+﹣
=+﹣﹣
=(+)﹣(+)
=2﹣1
=1
(5)6.4÷[(3﹣1.4)×]
=6.4÷[2×]
=6.4÷
=4
8.【解答】解:(1)(+﹣)÷
=(+﹣)×24
=×24+×24﹣×24
=21+18﹣20
=39﹣20
=19
(2)(﹣÷2)×
=(﹣)×
=×
=
9.【解答】解:(1)15.7﹣3.28﹣4.72+1.3
=15.7+1.3﹣3.28﹣4.72
=(15.7+1.3)﹣(3.28+4.72)
=17﹣8
=9
(2)1.25×0.32×250
=1.25×(0.8×0.4)×250
=(1.25×0.8)×(0.4×250)
=1×100
=100
(3)(+﹣)×48
=×48+×48﹣×48
=54+40﹣28
=94﹣28
=66
(4)35÷[(﹣)×14]
=35÷[×14]
=35÷
=15
10.【解答】解:(1)0.75×4.75+4
=4.75×(0.75+1+4.25)
=4.75×6
=28.5
(2)
=(×+÷)÷
=(×+×)×
=(+)×
=×+×
=+
=
11.【解答】解:(1)36.7×1.25×8
=36.7×(1.25×8)
=36.7×10
=367
(2)8.5×5.67﹣7.5×5.67
=(8.5﹣7.5)×5.67
=1×5.67
=5.67
(3)×[(﹣)÷]
=×[÷]
=×
=
12.【解答】解:(1)
=2﹣
=1
(2)
=×24+﹣
=8+20﹣10
=18
(3)20×20.1﹣1.9×201
=2×201﹣1.9×201
=201×(2﹣1.9)
=201×0.1
=20.1
13.【解答】解:(1)
=()×
=
=
(2)(15﹣15×)×
=(15﹣12)×
=3×
=
(3)()×24
=
=
=
(4)
=÷[÷]
=÷[]
=
=
(5)
=
=
=
(6)
=
=6+
=
14.【解答】解:10×99+10
=10×(99+1)
=10×100
=1000
20×()
=20×+20×﹣20×
=16+15﹣10
=21
32×0.25×1.25
=(0.25×4)×(8×1.25)
=1×10
=10
=[]
=
=2
15.【解答】解:(1)864÷48+39
=18+39
=57
(2)45÷18×2.4﹣2.75
=2.5×2.4﹣2.75
=6﹣2.75
=3.25
(3)
=()×
=1×
=
(4)
=
=
=
(5)
=
=
=7
16.【解答】解:(1)()
=()×36
=×36+×36﹣×36
=16+30﹣14
=32
(2)12﹣(1+2)
=12﹣2﹣1
=10﹣1
=8
(3)5÷[()×]
=5÷[×]
=5÷
=3
(4)2.5×3.2×0.125
=2.5×0.4×8×0.125
=(2.5×0.4)×(8×0.125)
=1×1
=1
(5)0.125××8.25+12.5%
=0.125×(+8.25+1)
=0.125×10
=1.25
(6)2﹣÷﹣
=2﹣×
=2﹣﹣
=2﹣(+)
=2﹣2
=0
17.【解答】解:﹣﹣
=()﹣(+)
=2﹣1
=1
(﹣)×18×12
=×18×12﹣×18×12
=24﹣18
=6
2×1.5+4.5÷0.75
=3+6
=9
69×9.9+6.9
=69×9.9+69×0.1
=69×(9.9+0.1)
=69×10
=690
18.【解答】解:(1)(+)×21×25
=×21×25+×21×25
=50+84
=134
(2)(34+)÷17
=(34+)×
=34×+×
=2+
=2
(3)15.28﹣3.99﹣6.01
=15.28﹣(3.99+6.01)
=15.28﹣10
=5.28
19.【解答】解:(1)25×0.8×40%×12.5
=(25×40%)×(0.8×12.5)
=10×10
=100
(2)×+÷5
=×+×
=×(+)
=×1
=
(3)÷[(+)×30%]
=÷[×]
=×
=
20.【解答】解:(1)72÷[960÷(145﹣65)]
=72÷[960÷80]
=72÷120
=12
(2)13.76﹣﹣1.76﹣
=(13.76﹣1.76)﹣(+)
=12﹣2
=10
(3)[3﹣(+)]÷
=[3﹣]÷
=[3﹣]×
=3×﹣×
=4﹣
=3
(4)7.2×1.02﹣1.02
=7.2×1.02﹣1.02×1
=1.02×(7.2﹣1)
=1.02×6.2
=6.324
21.【解答】解:①12.7﹣4.8﹣4.2
=12.7﹣(4.8+4.2)
=12.7﹣9
=3.7
②36××
=63×
=47
③31.9×1.8﹣31.9×0.8
=31.9×(1.8﹣0.8)
=31.9×1
=31.9
④48×102
=48×(100+2)
=48×100+48×2
=4800+96
=4896
⑤32×
=12×
=40
⑥21
=21÷
=63
22.【解答】解:(1)1.28×8.5+0.72×8.5
=8.5×(1.28+0.72)
=8.5×2
=17
(2)÷[(﹣25%)÷]
=÷[÷]
=÷
=
23.【解答】解:①5÷[(﹣)×]
=5÷[×]
=5÷
=20
②9.25﹣+﹣
=9.25+﹣﹣
=(9.25+)﹣(+)
=10﹣1
=9
③1.2×3.6+5.4×1.2+120%
=1.2×(3.6+5.4+1)
=1.2×10
=12
④2.5×0.32×12.5
=2.5×(0.4×0.8)×12.5
=(2.5×0.4)×(0.8×12.5)
=1×10
=10
24.【解答】解:(1)6.67+16.67+3.33﹣6.67
=6.67﹣6.67+16.67+3.33
=6.67﹣6.67+(16.67+3.33)
=0+20
=20
(2)88×+13×75%−0.75
=(88+13﹣1)×
=100×
=75
(3)110÷[×(−)]
=110÷[×]
=110÷
=1320
25.【解答】解:(1)9.2﹣4.25+10.8﹣5.75
=9.2+10.8﹣4.25﹣5.75
=(9.2+10.8)﹣(4.25+5.75)
=20﹣10
=10
(2)÷+÷
=×+×
=×(+)
=×1
=
(3)×[(3+)×]
=×[×]
=×
=
26.【解答】解:(1)÷[(+)×]
=÷[(+)×]
=÷[×]
=÷
=×
=
(2)6.875﹣
=(6.875+0.125)﹣(+)
=7﹣1
=6
(3)372÷25÷0.4
=372÷(25×0.4)
=372÷10
=37.2
(4)77×
=(77﹣17)×
=60×
=48
相关试卷
这是一份苏教版小学数学六年级下册(高频考点)新初一分班考专题7-整数、小数、分数、百分数计算题(专项突破),共26页。试卷主要包含了计算下面各题,能简算的要简算,能简算的要简算,计算下面各题,怎样简便怎样计算,脱式计算,能简算的要简算,用你喜欢的方法计算,选择合理的方法计算等内容,欢迎下载使用。
这是一份苏教版小学数学六年级下册(高频考点)新初一分班考专题3-比和比例(专项突破),共12页。试卷主要包含了如果,那么x和y,已知m×3=n×6,下面每组两个量成反比例关系的是等内容,欢迎下载使用。
这是一份苏教版小学数学六年级下册(高频考点)新初一分班考专题1-数的运算(专项突破),共11页。试卷主要包含了比多的数是,4千克的20%和1千克的相等等内容,欢迎下载使用。