内容正文:
2023-2024学年北师大版七年级数学上册《2.11有理数的混合运算》
同步计算能力达标测试趣(附答案)
(共20小题,每小题6分,满分120分)
1.计算下列各题:
(1)-18-(-17)+7+(-8)
(2)1+0.751+(+3)-(-0.125)-1-0.125
8》(-6时+82)÷(-80:
(4)22×5-(-2)3÷4.
2.计算:
(1)-524(-7)×(-9)-16+(-2)3:
2)是×(-8)号×[号-(-2)2]
3.计算:
(1)(-10)-(-22)+(-8)-13:
2)-22+(-3)×1-4-(-3)2÷(2)
4.计算:
1)(-0.5)-(-3)3.75-(2)
2)-22-1-0.5)÷号×[2-(-2)1
5.计算:
(1)4+(-2)2×5-(-8)÷4:
2(-36)×号号五
6.计算下列各题:
)8+(})-5-(←-0.25):
2&5+1-号]:
8)-36×(号号品号:
(4)(-3)×2+-4-(-2)3.
7.计算:
是-景
(2)-32+5×(-6)-(-4)2÷(-8).
8.计第:1)-32×1-21+(-1)2021÷(号)
2层西需
9.计算:
①号×(-12)+4÷(-2):
2(-3)2-(-1)×1-31÷是
10.计算题
(1)(-2)·(-3)+(+7)·(+11):
a-24x哈号0:
(3)-12022+16÷(-2)3×-3-1.
11.计算:
1-32÷3号×25
a(-2)×哈号+(-2月
12.计算:
(1)(-12)-(-17)+(-10):
(2)-42.16÷(-2)×号-(-1)2023,
2
13.计算:
(1)-2.4-(+33)-(-44)+(-5.7):
2)52÷(5)×号
(3)(-3)3+3×[(-3)242:
47×号-15x227x1号子×15
14.递等式计算
D号+唔圣景
220÷停×是
8(8×号号÷×1.25:
4是×177×8
21
15.计算:
(1)7-(-4)+(-5):
2)-12(1+0.5)×号÷(-4).
16.计算:
(1)(-5)-(-6)+(-7)-(-4):
2)(-D204(-18)X号-4(-2.
17.计算:
1-32,号骨)×(-24
(2)13-71+(-1)2022÷子+(-2)3
18.计第:-12020+(-2)3+12-51-6×号号)
19.计算:
0x2号
(2)-24+-5-[-(-3)÷121
6
20.计算:
(1)-6+(-5)-(-12);
(2)(-2)3-2×(-3241):
8号0)÷(需
参考答案
1.解:(1)-18-(-17)+7+(-8)
=-18+17+7-8
=-2
(2)1+0.751+(432)-(0.125)-0.125
=0.75+3.25+0.125-0.125
=4:
8(-时87)÷(-8)
(4)22×5-(-2)3÷4
=4×5-(-8)÷4
=20+2
=22.
2.解:(1)-52+(-7)×(-9)-16+(-2)3
=-25+63-16-8
=14:
2号×(-8)号×[号-(-2)2
=3×-8)-2×(-号4)
2
是×8)×()
2
=12+7
3
3.解:(1)原式=-10+22-8-13
=12-8-13
=4-13
=-9
(2)原式=-4+(-3)×4-9×(-2)
=-4-12+18
=2.
4.解:1(-0.5)-(-3)+8.75-(+2)
=-05+3.25+3.75-0.5
=-0.5+(-0.5)+(325+3.75)
=-1+7
=6:
2》-2-(1-0.5)÷号×[2-(-2)21
=-4-0.5×5×(2-4)
=-4-0.5×5×(-2)
=-4+5
=1.
5.解:(1)原式=4+4×5-(-2)
=4+20+2
=26:
(2原式=-36×4.(-36)×5.(-36)×7
9
6
2
=-16+30+21
=35.
6、解:①)8+(}5-(-0.25)
=8+(-0.25)+(-5)+0.25
=3:
2a5+[-4号]
=35+[1-(0.25+0.4)]
=3.5+(1-0.65)
=3.5+0.35
=3.85:
2578)
(3)-36×(36129
=-36×(号)-36×号36×(b)-36×(号)
=24-30+21+32
=47:
(4)(-3)×2+川-4-(-2)3
=(-3)×2+4-(-8)
=-6+4+8
=6.
入据0原武=合号昌
(2)原式=-9+5×(-6)-16÷(-8)
=-9-30+2
=-37.
8.解:1-32×1-21+(-1)2021÷()
=-9×2-1×(-8)
=-18+8
=-10:
a层品》品
=(