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【专项训练】实数的运算(40题)
一、计算题
1.(2022七下·江源期末)计算:
√3−8+√(−3)2−√0.64
5.(2022七下·南充期末)计算:
1
√(−2) 2+√3−27−√3(√3− )
√3
2.(2022七下·乾安期末)计算:
|1−√3|−√9+√3−8.
6.(2022七下·自贡期末)计算:
|−5|−√3−8+(−1) 2021.
3.(2022七下·大安期末)计算: √4- √38+ 1.
7.(2022七下·长沙期末)计算:
4.(2022七下·南康期末)计算:
−12022+|1−√2|−√38.
(−1) 2022+|√2−2|−√9.
8.(2022七上·咸阳月考)计算:(√7−1) 2 −√3−27+√28.
12.(2022八上·仙居开学考)计算:
1 √1
− +(−1) 2022+ +√3−64
2 4
9.(2022八上·电白期中)计算:
.
−12021+√(−1) 2+√3−8−|√3−2|
13.(2022八上·雨花开学考)计算:
1
−12022−2×(−3) 2+√3−27+(− ).
3
10.(2022八上·敦煌期中)计算:
√ 6 2
√1.44+√3−8− (− )
5
14.(2022八上·长沙开学考)计算:
√3−8+22−|1−√2|+(−1) 2022.
11.(2022八上·西安月考)计算:
√ 1
(1)√4−√38+3− ;
27
1
(2)﹣14﹣2×(﹣3)2+√3−27÷(−
)
3
15.(2022八上·江油开学考)计算:√(−2) 2 -
√364 + |√3−2|(−1) 2−√327+√16−(−7)
16.(2022七下·惠东期末)计算:
√(−2) 2−√364+|√3−2|.
20.(2022七下·钦州期末)计算:
√81+√3−27−√(−2) 2+|−√3|.
17.(2022七下·剑阁期末)计算:
−12022+√16×(−3) 2+(−6)÷√3−8.
21.(2022七下·绵阳期末)计算:
|√3−2|+√100×√30.064−√3(√3−1) .
18.(2022七下·燕山期末)计算:
√25−√327+|2−√5|.
22.(2022七下·合阳期末)
√1
√36−√(−3) 2+√3−8×
4
19.(2022七下·密云期末)计算:23.(2022七下·大连期末)计算:
27.(2022七下·龙湖期末)计算:
√64+√3−27−√(−7) 2
(−1) 2022+|1−√2|−√327
24.(2022七下·广州期末)计算:
√25+√3−1+|√2−√3|+√2. 28.(2022七下·通城期末)计算:
3 √ 1
9÷(− )+√16−6×3 .
2 27
25.(2022七下·西宁期末)计算:
√3−27+|3−√5|+√25.
29.(2022七下·老河口期末)计算:
√16−√3−8−|√3−2|+√3 (−4) 3.
26.(2022七下·花都期末)计算:
3√2+√3−27−√230.(2022七下·纳溪期末)计算:|1﹣√2|+√327
﹣(﹣1)11+√4.
34.(2022八下·淮北期末)计算:
31.(2022七下·昭通期末)计算: √1 1
+√6×( +√8)−|√3−2|.
3 √2
−32+|√5−1|+√36−(−4).
35.(2022八下·蜀山期末)计算:
32.(2022七下·中山期末)计算:√16+√3−8+|
(√3−2)
2+√6×√2
√5-3|-(2-√5)
33.(2022八下·宣化期末)计算: 36.(2022七下·丰台期末)计算:
1 1√2
(3−√6) 2− √15÷ √38+|−√3|+√(−2) 2−√3.
2 8 537.(2022七下·颍州期末)计算:
39.(2022七下·铁锋期末)计算
.
|√3−2|+√327−|−2|+(−1) 2022
√ 9 √ 1
|1−√3|+ 1 −3− +√(−2) 2.
16 64
38.(2022七下·东莞期末)计算: 40.(2022八下·仓山期末)计算:
√1
√3(1−√3)−|−√3|+√327. |√2−2|+ ×2−√(−2) 2
4