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七年级下册数学《第六章 实 数》
专题 实数的运算计算题(共 45 小题)
1.(2022秋•招远市期末)计算:
(1)( )2 ;
√5 +√(−3) 2+√3−8
(2)(﹣2)3× 1 −√327×(− √1 ).
8 9
√ 9
2.(2022•庐江县二模)计算:√0.04+√3−8− 1− .
25
3.(2022春•上思县校级月考)计算:
(1)−12+√16+|√2−1|+√3−8;
(2)2√3+|√3−2|−√364+√9.
4.(2022春•渝中区校级月考)实数的计算:
(1) ;
√16+√(−3) 2+√327
(2)√3−3+|1−√33|﹣(−√3)2.
5.(2022秋•原阳县月考)计算:
(1) ;
√3−8+√4−(−1) 2023
(2) .
(−√9) 2−√364+|−5|−(−2) 26.(2022春•牡丹江期中)计算:
√ 1
(1)−12−√0.64+√3−27− ;
25
(2) .
√3+√(−5) 2−√3−64−|√3−5|
7.(2022秋•南关区校级期末)计算: .
√16−(−1) 2022−√327+|1−√2|
8.(2022秋•成武县校级期末)计算:﹣12022−√364+|√3−2|.
√ 35
9.(2022春•昌平区校级月考)√3125+√(−3) 2−31− .
27
1
10.(2022春•舒城县校级月考)计算:√3−27+ √16+|−√2|+1.
2
11.(2022春•舒城县校级月考)计算:﹣12+|﹣2| .
+√3−8+√(−3) 212.(2021秋•镇巴县期末)计算: .
(−1) 10+|√2−2|+√49+√3 (−3) 3
1
13.(2022春•阳新县期末)计算:|√3−2|+√3−8× +(−√3)2.
2
√ 9
14.(2022春•十堰期中)计算:﹣12022+√(−4) 2+√38+10 .
25
15.(2021秋•峨边县期末)计算: .
|√5−3|+√(−2) 2−√3−8+√5
√9 5
16.(2021秋•乳山市期末)计算:√(−3) 2−2× + ×√3−0.027.
4 2
1
17.(2022秋•横县期中)计算:(﹣1)2022+√9−(2﹣3)÷ .
218.(2022秋•儋州校级月考)计算:
(1)√364−√81+√3125+3;
(2) .
|−3|−√16+√3 8+(−2) 2
19.(2022秋•海曙区校级期中)计算:
√16
(1)﹣23+√3−27−(﹣2)2+ ;
81
(2)(﹣3)2×(﹣2)+√364+√9.
20.(2022秋•安岳县校级月考)计算:
(1)(√3)2−√16+√3−8;
√121
(2)(﹣2)3× +(﹣1)2013−√327;
4
√ 1 √ 3
(3)√(−4) 2+ 2 +33 −√32+42.
4 8
21.(2022秋•隆昌市校级月考)计算:
(1) ;
|−3|−√16+√3−8+(−2) 2
(2) .
√3−27+|2−√3|−(−√16)+2√3
√ 1 1
22.(2021秋•泉州期末)计算:√(−3) 2×3− −( ) 2+(−1) 2022.
8 2√ 9
23.(2022秋•新野县期中)计算:√3−8+√9− 1 +(−1) 2022+|1−√2|.
16
24.(2021秋•新兴区校级期末)计算下列各题:
(1)√ 19 √ 1
2❑
;
31− + ( −1)
27 4
(2)√35−|−√35|+2√3+3√3.
25.(2022秋•绥德县期中)计算: .
2(√3−1)−|√3−2|−√364
1 √16
26.(2022秋•义乌市校级期中)计算:﹣22×(﹣1 )2−√3−64− ×|﹣3|.
2 9
27.(2022秋•西湖区校级期中)计算:
(1)|7 |﹣| | ;
−√2 √2− −√(−7) 2
π
1
(2)﹣22 ×√(−4) 2+√3 (−8) 3×(− )−√327.
2√ 1
28.(2022秋•沈丘县校级月考)计算:√0.01×√121+3− −√0.81.
125
29.(2022春•西山区校级期中)计算: .
5−2×(√7−2)+√3−8+|√3−2|
30.(2022春•东莞市期中)计算: (﹣1)2020 |1 |
√(−3) 2+ +√3−8+ −√2
31.(2022秋•安溪县月考)计算: | | .
√16+√3−27−√3−√3−2+√(−5) 2
√ 8 1
32.(2022秋•仁寿县校级月考)计算:3− +√(−4) 2×(− ) 3−|1−√3|.
27 2
33.(2022春•海淀区校级期中)计算: .
√81+√3−27−2(√3−3)−|√3−2|34.(2022春•梁平区期中)计算: .
√3 (−1) 3+√3−27+√(−2) 2−|1−√3|
35.(2022春•东莞市校级期中)计算:﹣12020 | 2|.
+√(−2) 2−√364+√3−
36.计算下列各题:
√1 √ 63
(1)√1+√3−27− +√30.125+ 1−
4 64
(2)|7 |﹣| |
−√2 √2−π −√(−7) 2
√ 9 √ 1
37.计算:√3 0.008× 1 −√172−82÷3− .
16 125
38.计算:3 2(1 ) | 2|
√3− +√3 +√(−2) 2+√3−39.计算:
(1) √ 1 23 √ 1 2
√(−2) 2× 2 − × 3 (− )
4 8
√125
(2)√9+|1−√2|−3 ×√(−3) 2+|4√0.25−√2|
27
√1
40.计算:(﹣2)2× +|√3−8|+√2×(﹣1)2022
4
1 3
41.计算:﹣22+√16+√38+10 ×9 .
4 4
2
42.计算:|﹣5|−√327+(﹣2)2+4÷(− ).
3
43.(2022秋•城关区校级期中)计算:
(1)√12+(√3) 2+
1
√48−9
√1
;
4 3
(2) |1 |.
√(−3) 2+(−1) 2022+√3 8+ −√244.(2021春•濉溪县期末)计算: | | √ 4 2.
√49−√327+1−√2+
(1− )
3
1
45.(2022秋•岳麓区校级月考)计算−12022+(
)
2+|√2−3|−√(−3) 2.
2