完整小升初四则混合运算带答案doc文档格式.docx
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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)÷
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×
(6﹣6×
)÷
12.
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×
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÷
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
(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÷
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÷
30
(2)0.25×
7.2+2.8÷
0.5
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.
12850÷
0.25×
99+25%
6÷
(
)×
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)÷
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)×
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÷
8]
=10÷
,
,
4,
=81
=107;
3.
(1)2004+75×
54÷
45,
②127×
127×
8,
=2004+4050÷
=127÷
=2004+90,
=8×
=2094;
=64
(2)(0.125×
2.
(1)9080﹣35×
26,
=(1﹣0.5)×
=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)÷
(+
),
90,
=28.8;
=÷
(4)×
+÷
=
+,
;
(5)(
(4)3÷
=×
=9×
=12÷
(6)1110÷
﹣)],
=3;
(5)(+)÷
+,
=1110÷
﹣56×
],
[24﹣21],
3,
+
=370
4.
(1)(108÷
18),
(6)10÷
[
﹣(÷
)],
=18;
﹣(
+)],
(2)3.5×
4.8),
=3.5×
(20.6﹣3.5),
﹣
],
17.1,
=59.85;
=;
[7﹣4÷
[7﹣4×
[7﹣5],
2,
5.9﹣5.4=3.6,780
26=30,
3=9.42,27×
=15,
625﹣199=426,10+0.1=10.1
=0,
9.42
0.1=0.942
﹣=
,0.4
2=0.16,
1÷
,1﹣
+=;
6.①92×
13+28
=1196+28,
=1224;
1.5﹣0.36=2.8﹣0.36,
=2.44;
=(79﹣1)×
=79×
﹣1×
=3﹣,
=2;
小升初真题混合运算----3
④1÷
1=4﹣,
=3;
=×
5×
5,
=1×
=25;
=2﹣,
=36×
+36×
=6+24,
=30.
7.
(1)3060÷
15﹣25×
1.04
=204﹣26,
=178;
(2)×
+=×
=+,
(3)(+)×
[+﹣],
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×
2,
=5×
=6÷
(4)÷
[÷
=÷
=.
9.①630÷
24,
=35×
24,
=840;
②0.7+3.9+4.3+6.1,
=(0.7+4.3)+(6.1+3.9),
=5+10,
=15;
=(16+4)×
=20×
=8;
④(7.5﹣7.5×
0.6)÷
=(7.5﹣4.5)÷
=3÷
=0.75;
=(+×
)×
=,
⑥[()],
()],
[],
=[],
=,
=1
10.①14×
75﹣624÷
39=1050﹣16,=1034;
=(+)×
=+×
[﹣],
11.
(1)1379+450÷
40,=1379+25×
40,=1379+1000,
=.=(+)×
=2379;
22,
小升初真题混合运算----4
=(0.2+10.8
)÷
(2)1375+450÷
=11÷
=1375+30×
25,
=0.5;
=1375﹣750
+×
=625;
(3)[4.5+
(13×
+13×
=[4.5+(13×
2)]÷
=[4.5+9.75]÷
=14.25×
﹣),
=8.55;
(4)48×
+48×
12,
=(
++8)×
48,
12×
=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×
(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×
(2)3.68
﹣3.6×
0.2+0.18,
=(76.3+23.7
9.18,
=3.68﹣0.72+0.18
9.18,
=2.96+0.18,
=918
=3.14;
14.
(1)360+240÷
28,
(3)48×
0.1,
=360+16×
=48×
(9.9+0.1),
=360+448,
10,
=808;
=480;
(2)6÷
2.4
﹣0.3×
1.4,
(4)(1﹣)÷
=2.5﹣0.42,
=2.08;
=0.25÷
=4;
6,
(5)(6﹣6×
=(6﹣4)÷
=6;
=2÷
(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;
(4)(+)÷
﹣,
=﹣,
9.77+0.23×
3.9=3.9×
(9.77+0.23),
=3.9×
10,
=39;
(6)+(﹣)×
16.
(1)420÷
17,
17,
(2)25×
12.5×
32,
=25×
=(25×
4)×
(12.5×
8),
100,
=10000;
小升初真题混合运算----5
=;
=(15+16)×
③17.31﹣6.15﹣3.85,
=17.31﹣(6.15+3.85
=31×
=(+
=17.31﹣10,
=21;
=7.31.
[(+)×
(﹣)],
(4)40÷
(+)],
=40÷
=80
17.
(1)(315+285)÷
(315﹣255),
=600÷
60,
=10;
(2)5﹣(÷
+),
=5﹣(4),
=5﹣4﹣,
(3)(+﹣)×
36,
36+×
36﹣×
=9+6﹣12,
(4)3.3×
3.7+75%×
=(3.3+3.7+3)×
0.75,
=10×
=7.5
18.①405×
(20﹣172÷
43),
=405×
16,
=6480;
②×
(+),
=3
21.
(1)360+24÷
30,
19.
(1)360﹣225÷
18,
=360+×
=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;
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﹣
=1+
=20+21﹣10,
=41﹣10,
=31
20.860﹣560÷
8×
=860﹣70×
7,
22.
(1)109×
x+109×
x,
=860﹣490,
=(109+109)×
=370;
=218x;
(5.9+1.65
(2)9.5﹣(4.6+5.8
1.3,
=7.55÷
2.5,
=9.5﹣10.4÷
=3.02
=9.5﹣0.8,
(3)
=(×