中小学教育资源及组卷应用平台
分数、百分数混合计算题-数学六年级上册人教版
1.脱式计算。(能简算的要简算)
①×32+ 60%×68
②45%×5.75+3×+0.45×
③[1-(+37.5%)÷12.5%
④[-(+)÷12.5%]÷
2.脱式计算。(能简算的要简算)
(1)×59+41×60%
(2)12÷ 10-(1÷5×45%)
3.计算下面各题。(能简算的要简算)
① ÷[( ﹣0.75)×60%]
②50%×2.5× ×64
③1 +4×0.75
④( )
4.脱式计算。
(1)( + )÷( - )
(2)[(9.75- )× ]÷3.5
5.用递等式计算.
(1)
(2)3.2÷( )
6.用递等式计算
①
②
③
④
⑤
7.递等式计算,能简算的要简算。
①
②
③
④
⑤
⑥
8.脱式计算。(能简算的要简算)
(1)[1-( - )]÷
(2)13÷39+( + )×13
(3) ×5.16+516%×
(4) ÷[( + )÷ ]
9.脱式计算。(能简算的要简算)
(1)(111+999)÷[56×( - )]
(2)7.24× +0.6×2.41-0.65×60%
(3) ×[(10- )÷ ]÷
(4)( + )×17×14
10.脱式计算。
(1)
(2)
(3)
11.脱式计算。
①46÷( + )
② × + ×
③ ×0.375÷
④ - ×12.5%
⑤1-( - )×
⑥( + - )×48
12.递等式计算。
① ÷7+ ×
② +( + )×
③ ×(5.4+2.5÷ )
④24×( + +25%)
⑤2019× +2019÷5×3
13.脱式计算,能简算的要简算.
(1) × + ÷
(2)0.125× + ×8.25+12.5%
(3)2019×
(4)80%÷ ﹣ ÷
14.脱式计算,能简算的要简算.
(1) ﹣ + ﹣
(2)( + ﹣ )÷
(3)87×
(4) ×75%+ × ﹣0.75
15.递等式计算。
① + + +
② ×(0.6+ )
③ +8÷
④4.3× +2.7÷
⑤0.8÷( -0.5)
⑥ ×(9- - )
⑦ ÷0.7-0.7÷
⑧ ×5.7+ ×3.3-
⑨(2-0.3)÷
16.脱式计算,怎么简便怎么算.
(1) × ×
(2)( )×42
(3) × ×7
(4) ÷[ ×()]
17.脱式计算.
① ×15+
② + ×
③5.6× +2.4÷8
④(3.6× +3.5)÷
⑤ ÷(2﹣ ﹣ )
⑥ ÷[( ﹣ )× ]
18.脱式计算。(能简算的要简算)
① + ×
②24×( + )
③3-1÷( + × )
④1.75× + × +
⑤( - )÷( + )
⑥ + + + + +
答案解析部分
1.【答案】解:①×32+ 60%×68
=×(32+ 68)
= 60
②45%×5.75+ 3×+0.45×
= 0.45×(5.75+3+)
= 0.45×10
= 4.5
③[1 -(+ 37.5%)]÷12.5%
=[1-]÷
=×8
= 3
④[-(+)÷12.5%]÷
=[-(+)×8]÷
=[--1]÷ 13
=×3
=
2.【答案】(1)解:×59+41×60%
=×59+41× 35
=×(59+41)
=×100
= 60
(2)解:12÷(10-1÷5×45%)
= 12÷(10-)
=12÷
=
3.【答案】解:① ÷[( ﹣0.75)×60%]
= ÷[ ×60%]
=
=6
②50%×2.5× ×64
= × ×64×2.5
=4×2.5
=10
③1 +4×0.75
=10+3
=13
④( )
=( )×63
=63× ×63 ×63
=35+12﹣27
=20
4.【答案】(1)( + )÷( - )
=÷
=×12
=
(2)[(9.75- )× ]÷3.5
=[(9.75- 0.65 )× ]÷3.5
=9.1×0.3÷3.5
=2.73÷3.5
=0.78
5.【答案】(1)解:
= ×( )
= ×
=
(2)解:3.2÷( )
=3.2÷
=
6.【答案】①÷÷
=××
=
②×+÷2
=×+×
=(+)×
=1×
=
③××27×3.3
=(×27)×(×3.3)
=6×1.5
=9
④×[0.75-(-25%)]
=×[0.75+0.25-]
=×
=
⑤2.8×(+)×2.1
=2.8××2.1+2.8××2.1
=0.21+0.56
=0.78
7.【答案】①
=
=20
②
=
=
=22
③
=
=
④
=
=8-
=
⑤
=
=1+
=1
⑥
=
=
=
=
=7
8.【答案】(1)[1-(-)]÷
=[1-]÷
=÷
=
(2)13÷39+(+)×13
=++
=
(3)×5.16+516%×
=×5.16+5.16×
=(+)×5.16
=5.16
(4)÷[(+)÷]
=÷[÷]
=÷
=
9.【答案】(1)(111+999)÷[56×(-)]
=(111+999)÷[56×]
=(111+999)÷3
=1110÷3
=370
(2)7.24×+0.6×2.41-0.65×60%
=7.24×0.6+0.6×2.41-0.65×0.6
=(7.24+2.41-0.65)×0.6
=9×0.6
=5.4
(3)×[(10-)÷]÷
=×[÷]÷
=×1÷
=
(4)(+)×17×14
=×17×14+×17×14
=+
=
10.【答案】(1)=
=
(2)=
=20+15+12
=47
(3)=
=
=
11.【答案】①46÷( + )
=46÷( + )
=46×
=48
② × + ×
= ×( + )
=
③ ×0.375÷
= × ×
=
④ - ×12.5%
= - ×
=
⑤1-( - )×
=1-( - )×
=1- ×
=1-
=
⑥( + - )×48
= ×48+ ×48 - ×48
= 10+28-12
=26
12.【答案】①
=
=
=1×
=
②+(+)×
=+×
=+
=
③×(5.4+2.5÷)
=×(5.4+3)
=×8.4
=6
④24×(++25%)
=24×+24×+24×25%
=12+8+6
=26
⑤2019×+2019÷5×3
=2019×+2019××3
=2019×+2019×
=2019×(+)
=2019×1
=2019
13.【答案】(1) × + ÷
= × + ×
=( + )×
=1×
=
(2)0.125× + ×8.25+12.5%
=0.125×0.75+0.125×8.25+0.125×1
=0.125×(0.75+8.25+1)
=0.125×10
=1.25
(3)2019×
=(2018+1)×
=2018× +1×
=2017+
=2017
(4)80%÷ ﹣ ÷
=2﹣
=
14.【答案】(1) ﹣ + ﹣
=( + )﹣( + )
=1﹣1
=0
(2)( + ﹣ )÷
=( + ﹣ )×24
= ×24+ ×24﹣ ×24
=20+21﹣10
=31
(3)87×
=(86+1)×
=86× +1×
=3+
=3
(4) ×75%+ × ﹣0.75
= ×0.75+ ×0.75﹣0.75
=( + ﹣1)×0.75
=0×0.75
=0
15.【答案】① + + +
=( + ) +( + )
=1+1
=2
② ×(0.6+ )
= ×0.6+ ×
=0.5+
=1
③ +8÷
= +8÷
= +8×8
=64
④4.3× +2.7÷
=4.3× +2.7÷
=4.3× +2.7×
=(4.3+2.7)×
=7×
=3
⑤0.8÷( -0.5)
=0.8÷(0.8-0.5)
=0.8÷0.3
=
⑥ ×(9- - )
= ×[9-( - )]
= ×(9-1)
= ×8
=5
⑦ ÷0.7-0.7÷
= × -0.7×
=1-0.9
=0.1
⑧ ×5.7+ ×3.3-
= ×(5.7+3.3-1)
= ×8
=6
⑨(2-0.3)÷
=1.7÷
=1.7×
=
=
=
16.【答案】(1)解: × ×
= × ×
=2×
=
(2)解:( )×42
= ×42+ ×42
=30+22
=52
(3)解: × ×7
= ×(11+7)
= ×18
=15
(4)解: ÷[ ×()]
= ÷[ × ]
= ÷
=
17.【答案】解:① ×15+
= +
=
② + ×
= +
=
③5.6× +2.4÷8
=5.6× +2.4×
=(5.6+2.4)×
=8×
=1
④(3.6× +3.5)÷
=(1.5+3.5)÷
=5÷
=
⑤ ÷(2﹣ ﹣ )
= ÷[2﹣( + )]
= ÷[2﹣1]
= ÷1
=
⑥ ÷[( ﹣ )× ]
= ÷[ × ]
= ÷
=
18.【答案】① + × =+ =②24×( + )=24×+24×=9+18=27③3-1÷( + × )=3-1÷(+)=3-1÷1=2④1.75× + × + =× + × + =×( + + 1)= ×=⑤( - )÷( + )=÷=⑥ + + + + + ===
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 (共 2 页)
21世纪教育网(www.21cnjy.com)