完整小升初四则混合运算带答案doc.docx
- 文档编号:10401314
- 上传时间:2023-02-10
- 格式:DOCX
- 页数:35
- 大小:26.81KB
完整小升初四则混合运算带答案doc.docx
《完整小升初四则混合运算带答案doc.docx》由会员分享,可在线阅读,更多相关《完整小升初四则混合运算带答案doc.docx(35页珍藏版)》请在冰豆网上搜索。
完整小升初四则混合运算带答案doc
小升初真题混合运算专项练习(有答案)
1.(2012?
瑶海区)基本计算:
①428÷[32÷(4+4)]
②127×8÷127×8
2.(2012?
武胜县)计算.
9080﹣35×26
17÷3.4+1.48
÷(﹣)×(+)
3÷÷÷4
(+)÷+
10÷[﹣(÷+)].
3.(2012?
武胜县)计算,能简算的要简算.
2004+75×54÷45
(0.125×8﹣0.5)×4
32%×76.4+1.36×3.2
×+÷
(﹣)×(+)
1110÷[56×(﹣)]
4.(2012?
武胜县)计算.
(108÷25)×(75÷18)
3.5×(20.6﹣16.8÷4.8)
(﹣)×(+)
×[7﹣4÷(+)].
5.(2012?
万州区)计算:
9﹣5.4=
780÷26=
3.14×3=
27×=
625﹣199=
10+0.1=
0÷=
9.42×0.1=
﹣=
2
0.4=
1÷=
1﹣+=
6.(2012?
桐庐县)计算.
①92×13+28
②4.2÷1.5﹣0.36
③78×
④1÷﹣÷1
⑤×5÷×5
⑥2﹣÷
⑦36×(+)
7.(2012?
天柱县)脱式计算.
3060÷15﹣25×1.04
×÷+
(+)×(÷5)
×[﹣(﹣)].
8.(2012?
桃源县)脱式计算.
99×87+87
18.7﹣3.375﹣6.625
5×(+0.5)÷2
÷[(﹣)÷].
9.(2012?
苏州)计算下面各题,能简算的要简算.
10.①630÷18×24
②0.7+3.9+4.3+6.1
③16×+4×
④(7.5﹣7.5×0.6)÷4
⑤(+÷3)×
⑥.
10.(2012?
顺昌县)脱式计算.(能简算的要简算)
①14×75﹣624÷39
②÷9+×
③+(﹣)÷
④÷[﹣(1﹣)].
11.(2012?
泉州)用递等式计算
(1)1379+450÷18×40
(2)(3.2÷16+10.8)÷22
(3)×+×
(4)×÷(﹣)
(2012?
硚口区)脱式计算.(友情提醒:
有的可以简算)
800﹣608÷32×5
3.68﹣3.6×0.2+0.18
48×9.9+48×0.1
(1﹣)÷0.25×4
(6﹣6×)÷12.
(2012?
吉水县)脱式计算,能简算的要简算.
97÷1+35.6+0×6
1375+450÷15×25
[4.5+(13×+13×)]÷
48×+48×+48×8
94.47﹣(94.47﹣86.555)
3.42×76.3+76.3×5.76+9.18×23.7.
12.(2012?
洪山区)能简便的要用
简便方法计算,写出主要过程13.
(1)360+240÷15×28
(2)6÷2.4﹣0.3×1.4
小升初真题混合运算----1
(3)×6+6×
(4)(0.4)÷×.
15.(2012?
阳)用等式算,能算的要算
(1)43×8420÷15
(2)+2++3
(3)×÷15
(4)(+)÷
(5)3.9×9.77+0.23×3.9
(6)+()×.
16.(2011?
漳州)算下面各,怎便就怎算.
420÷216÷18×17
25×12.5×32
×+÷
40÷[×(+)]
17.(2011?
游仙区)用自己喜的方法算
18.(315+285)÷(315255)
5(÷+)
(+)×36
3.3×+0.75×3.7+75%×3.
19.(2011?
永州)下面各,怎
便就怎算.
20.405×(20172÷43)
×+×
17.316.153.85
÷[×()].
21.(2011?
武昌区)等式算:
360225÷15×18
÷×
4.721.162.84
+÷+.
22.(2011?
田)算下列各.
23.860560÷8×7
(5.9+1.65)÷2.5
(+)×20÷
÷[(+)×].
(2011?
瑞安市)
(1)360+24÷15×30
(2)0.25×7.2+2.8÷0.5
(3)×298×
(4)(+)÷.
24.(2011?
南)下面各,能
算的要算.(能算的要写出主要算程)
25.109×x+109×x
9.5(4.6+5.8)÷1.3
23.(2011?
金堂)用自己喜的方式算下面各(要写出主要的解答程)
(1)3600800÷40×35
(2)6415.814.2
(3)
(4)
(5)
(6)38÷[2.5×(4.36+3.64)].24.(2011?
淮南)合适的方
法算(要写出主要的算程).
6760÷13+17×21
3.33×4.5+4.5×6.67
.
25.(2011?
河西区)脱式算.(能
算的要算)
53×13+21
1.65×45+55×1.65
÷[1(+)].
26.(2011?
河池)用你喜的方法
算.
25×12850÷17
0.25×99+25%
6÷7
(
)×13+4÷17.
27.(2011?
海州区)神机妙算:
2842÷14+74×3
÷()
3.6×99+3.6
÷(×)
×+÷
72×()
28.(2011?
丰都)脱式算
(384+336)÷15×13
(11+30.6)÷16+16.5
2×
〔1(+)〕÷.
29.(2010?
自流井区)算,能便的要便
(73.6÷0.16+370)×18
3.84÷+5.16×
.
30.(2010?
雨花区)算下列各
,能便的要便算
3618÷45+1620
6767×(23+19)
200.8×736.3×2008
118÷(14+2.5×45)
9997+9593+9189+⋯+75+3
1
2008÷200820082009.
31.(2012?
咸安区)灵活算
①
②
③
小升初真题混合运算----2
④.
参考答案:
1.①428÷[32
÷(4+4)],
(3)(
﹣)×(
+),
=428÷[32÷8]
=10÷,
,
=428÷4,
=81
=107;
3.
(1)2004+75×54÷45,
②127×8÷127×8,
=2004+4050÷45,
=127÷127×8×8,
=2004+90,
=8×8,
=2094;
=64
(2)(0.125×8﹣0.5)×4,
2.
(1)9080﹣35×26,
=(1﹣0.5)×4,
=9080﹣910,
=0.5×4,
=8170;
=2;
(2)17÷3.4+1.48,
(3)32%×76.4+1.36
×3.2,
=5+1.48,
=32%×76.4+13.6×0.32
=6.48;
=0.32×(76.4+13.6),
(3)÷(﹣)×(+
),
=0.32×90,
=28.8;
=÷×,
(4)×+÷,
=
×(
×
),
=
+,
=
×
,
=
;
=
;
(5)(
﹣)×(
+),
(4)3÷÷÷4,
=×,
=9×÷4,
=
;
=12÷4,
(6)1110÷[56×(
﹣)],
=3;
(5)(+)÷+,
=1110÷[56×﹣56×],
=
×
,
=1110÷[24﹣21],
=1110÷3,
=
+
,
=370
=
;
4.
(1)(108÷25)×(75÷18),
=
×
,
(6)10÷[
﹣(÷+
)],
=18;
=10÷[
﹣(
+)],
(2)3.5×(20.6﹣16.8÷4.8),
=3.5×(20.6﹣3.5),
=10÷[
﹣
],
=3.5×17.1,
=59.85;
=×,
=;
(4)×[7﹣4÷(
+)],
=
×[7﹣4÷],
=
×[7﹣4×],
=
×[7﹣5],
=
×2,
=
.
5.9﹣5.4=3.6,780
÷26=30,
3.14×3=9.42,27×=15,
625﹣199=426,10+0.1=10.1
,
0÷=0,
9.42
×
0.1=0.942
,
﹣=
,0.4
2=0.16,
1÷=
,1﹣
+=;
6.①92×13+28
=1196+28,
=1224;
②4.2÷1.5﹣0.36=2.8﹣0.36,
=2.44;
③78×
=(79﹣1)×,
=79×﹣1×,
=3﹣,
=2;
小升初真题混合运算----3
④1÷﹣÷1=4﹣,
=3;
⑤×5÷×5
=×5×5,
=1×5×5,
=25;
⑥2﹣÷
=2﹣,
=;
⑦36×(+)
=36×+36×,
=6+24,
=30.
7.
(1)3060÷15﹣25×1.04
=204﹣26,
=178;
(2)×÷+=×+,
=+,
=;
(3)(+)×(÷5)
=××,
=;
(4)×[﹣(﹣)].
=×[+﹣],
=×,
8.
(1)99×87+87,
=(99+1)×87,
=100×87,
=8700;
(2)18.7﹣3.375﹣6.625,
=18.7﹣(3.375+6.625),
=18.7﹣10,
=8.7;
(3)5×(+0.5)÷2,
=5×÷2,
=6÷2,
=3;
(4)÷[(﹣)÷],
=÷[÷],
=÷,
=.
9.①630÷18×24,
=35×24,
=840;
②0.7+3.9+4.3+6.1,
=(0.7+4.3)+(6.1+3.9),
=5+10,
=15;
③16×+4×,
=(16+4)×,
=20×,
=8;
④(7.5﹣7.5×0.6)÷4,
=(7.5﹣4.5)÷4,
=3÷4,
=0.75;
⑤(+÷3)×,
=(+×)×,
=,
=;
⑥[()],
=×[÷()],
=×[],
=[],
=,
=1
10.①14×75﹣624÷39=1050﹣16,=1034;
②÷9+×
=×+×,
=(+)×,
=×,
=;
③+(﹣)÷
=+×,
=+,
=;
④÷[﹣(1﹣)].
=÷[﹣],
=,
=.
11.
(1)1379+450÷18×40,=1379+25×40,=1379+1000,
=.=(+)×,
=2379;
(2)(3.2÷16+10.8)÷22,
小升初真题混合运算----4
=(0.2+10.8
)÷22,
(2)1375+450÷15×25
=11÷22,
=1375+30×
25,
=0.5;
=1375﹣750
,
(3)×
+×
,
=625;
(3)[4.5+
(13×
+13×)]÷
=(+)×,
=[4.5+(13××2)]÷,
=1×,
=[4.5+9.75]÷,
=;
=14.25×,
(4)×÷(
﹣),
=8.55;
=
×÷
,
(4)48×
+48×
+48×8
=
××12,
=(
++8)×48,
=
×12×,
=9×48,
=432;
=3×,
(5)94.47﹣(94.47
﹣86.555)
=94.47﹣94.47+86.555
,
=
.
=0+86.555,
=86.555;
12.
(1)800﹣608÷32×5,
(6)3.42×76.3+76.3
×5.76+9.18
=800﹣19×5,
×23.7
=800﹣95,
=(3.42+5.76
)×76.3+9.18×23.7,
=705;
=9.18×76.3+9.18×23.7,
(2)3.68
﹣3.6×0.2+0.18,
=(76.3+23.7
)×9.18,
=3.68﹣0.72+0.18
,
=100×9.18,
=2.96+0.18,
=918
=3.14;
14.
(1)360+240÷15×28,
(3)48×9.9+48×0.1,
=360+16×28,
=48×(9.9+0.1),
=360+448,
=48×10,
=808;
=480;
(2)6÷2.4
﹣0.3×1.4,
(4)(1﹣)÷0.25×4,
=2.5﹣0.42,
=2.08;
=0.25÷0.25×4,
(3)×6+6×,
=1×4,
=4;
=(+)×6,
(5)(6﹣6×)÷12,
=1×6,
=(6﹣4)÷12,
=6;
=2÷12,
(4)(﹣0.4)÷×,
=
.
13.
(1)97÷1+35.6+0×6
=
÷×,
=97+35.6+0,
=×,
=132.6;
=
15.
(1)43×8﹣420÷15,
=344﹣28,
=316;
(2)+2++3,
=(+)+(3+2),
=1+6,
=7;
(3)×÷15,
=×,
=;
(4)(+)÷﹣,
=×﹣,
=﹣,
=;
(5)3.9×9.77+0.23×3.9=3.9×(9.77+0.23),
=3.9×10,
=39;
(6)+(﹣)×,
=+×,
=+,
=.
16.
(1)420÷216÷18×17,
=÷18×17,
=×17,
=;
(2)25×12.5×32,
=25×12.5×8×4,
=(25×4)×(12.5×8),
=100×100,
=10000;
小升初真题混合运算----5
(3)×
+÷,
=;
=(15+16)×
,
=×
+
×,
③17.31﹣6.15﹣3.85,
,
=17.31﹣(6.15+3.85
=31×
),
=(+
)×
,
=17.31﹣10,
=21;
=7.31.
÷[(+)×].
=1×,
④÷[×(﹣)],
=÷[
×],
=;
(4)40÷[×(+)],
=40÷[×],
=40÷,
=80
17.
(1)(315+285)÷(315﹣255),
=600÷60,
=10;
(2)5﹣(÷+),
=5﹣(4),
=5﹣4﹣,
=;
(3)(+﹣)×36,
=×36+×36﹣×36,
=9+6﹣12,
=3;
(4)3.3×+0.75×3.7+75%×3,
=(3.3+3.7+3)×0.75,
=10×0.75,
=7.5
18.①405×(20﹣172÷43),
=405×16,
=6480;
②×+×,
=×(+),
=
÷[
×
],
=
,
=
×
,
=3
=
.
21.
(1)360+24÷15×30,
19.
(1)360﹣225÷15×18,
=360+×30,
=360﹣15×18,
=360﹣270,
=360+48,
=90;
=408;
(2)÷×
,
(2)0.25×7.2+2.8
÷0.5,
=1.8+5.6,
=
×
,
=7.4;
(3)×29﹣8×,
=
;
(3)4.72﹣1.16﹣2.84,
=
×(29﹣8),
=4.72﹣(1.16+2.84
),
=
×21,
=4.72﹣4,
=0.72;
=9;
(4)+÷+,
(4)(+﹣)÷
,
=++,
=(+﹣)×24,
=
+
+
,
=
×24+×24﹣
×24,
=1+
,
=20+21﹣10,
=41﹣10,
=1
.
=31
20.860﹣560÷8×7
=860﹣70×7,
22.
(1)109×x+109×x,
=860﹣490,
=(109+109)×x,
=370;
=218x;
(5.9+1.65
)÷2.5
(2)9.5﹣(4.6+5.8
)÷1.3,
=7.55÷2.5,
=9.5﹣10.4÷1.3,
=3.02
=9.5﹣0.8,
(+
)×20÷
=8.7;
(3)
,
=(×
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 完整 初四 混合 运算 答案 doc