内容正文:
2023-2024学年华东师大版七年级数学上册《2.13有理数的混合运算》
同步计算能力达标测评(附答案)
(共20小题,每小题6分,满分120分)
1.计算题:
(1)1+(-2)+1-3-5:
(2)(52.3)×(-12
1234
(3)(-3)×(-12)÷(-22:
4
④(~营×4P-025×(-8×(-1D
2.(1)(-5.3)+(-3.2)-(-5.3)-(+4.8).
2墙×(-9
41日÷号)×42
3.计算:
)(~81÷(2×号(~16:
(2)2×(-3)3-4×(-3)+15.
4.计算:
1)1.5-(-4)3.75-(+82):
2)25×-(-25)×+25×(子
5.计算
(1)3×(-4)-35÷7:
2号日)×24
3)(-73》(-68-33哈
6
(4)(-1)°×1-1号1-0.5÷(号)
6.计算
(1)-165+265-78-22+65:
2)(-4)×(2)÷(-1哈)×3:
8(名品)×9:
(4)32÷(-2)34(-2)3×()-22
7.计算:
号日骨)*
a2÷号x2
8.计算:
2》.(3x-).c-D2
9.计算:32:(-1)2+5×(-2)+-4.
10.计第:(~1D2.2-5)×4
1.计第:2告×(号2.19×2
12.计算:
0>6x1含324(90
2)-245-8+24÷(-3×号
13.计算:
(1)(是37)÷1
4812
24
2)(1)01x1-05÷(
2
14.计算:
(1)(-5)+(-4)-(+101)-(-9):
(2)-121×[4-(-3)21+3÷(-):
④-3始×7-3哈×(-9)+(-是)×(-8)
15.计算:
1D1-24÷(+(-5)×(2
a号骨×6-2
(3)15÷-
35
26
(40(-2)2-71-3÷(}+(3)X(号2
4
16.计算:
(1)|-4-(-2)-(-10-4):
2)(-1)10÷24(-)3×16--0.5
17.计算:
1)(-32)×42
6143
(2)(-3)3×(-15)÷(-2.
27
18.计算:
1(2-3)÷号-(日)×(-2)2
2)-12(日号)×(-12).
19.计算:
1)(星×()÷(-2):
(2)(-1)2×2-(-2)3:1-3-1.
20.计算
(1)-20叶(-14)-(-18)-13:
(2)(-0.5)-(-31)+275-(+71):
4
2
(4)(-.13)×(-24
864
(5)-22÷4-22.(1-1×马)J×12:
23
60-81÷2×号(-》427.
4
参考答案
1.解:(1)1+(-2)-3引-5
=1-2+3-5
=-3:
(2)52.马)×(-12
1234
=5×(-12)+2×(-12).3×(-12)
12
4
=-5-8+9
=-4:
(3)(3)×(-12)÷(-2
4
4
=.3×3×4
429
(4)(-5)×42-025×(-8》×(-1)2017
8
=8)×16-025×(8)×(-10
=-10-2
=-12.
2.解:(1)(-5.3)+(-3.2)-(-53)-(+4.8)
=(-5.3)+(-3.2)+5.3+(-4.8)
=(-5.3+5.3)+(-32-4.8)
=0+(-8)
=-8:
20×(-9)
=10点)×(-9)
18
=-10×9+1×9
18
=-90+0.5
=-89.5:
3(35)÷
49+12
36
=(35+7)×36
4912
×36+7X36
9
12
=-27-20+21
=-26:
7
7
号×5×6
=516
33
=.11
3
3.解:(1)(-81)÷(-21)×4÷(-16)
4
9
=-81×4×4×1
9916
=-1:
(2)2×(-3)3-4×(-3)+15
=2×(-27)-4×(-3)+15
=-54+12+15
=-27.
4.解:1)1.5-(-4)+3.75-(+8)
=1.5-(-4.25)+375-8.5
=1.5-8.5+(4.25+3.75)
=-7+8
=1.
2)25×星-(-25)×2+25×(4)
=5×得号》
=25×1
=25
5.解:(1)3×(-4)-35÷7
=-12-5
=-17:
2号}日)×24
2×24-1×24-1×24
3
6
=16-6-4
=6:
(3)(-7.3)-(-65)+1-33H1
6
6
=(-7.3)+65+33+1
=[(-7.3)+33(651
66
=-4+8
=4:
(4)(-1)6×1-11-0.5÷(})
=1×号×(》
=33
22
=3.
6.解:(1)-165+265-78-22+65
=(-165+265)-(78+22)+65
=100-