《有理数的混合运算》强化练习题
姓名: ,座号: ,签字:
()1 -1 -3 3 | ()3 | 5 | ) | ()2 -8-3 | ()()3 4 | 1 | )-1 | ||||||||
() | 5 | + | 28 | ()(- | () | 3+50 | | 2 | 2 | (- | |||||
| 2 | 5 | | 14 | | | | | | | 5 | |
() | -3 -2 ()()3 |
| ()(- | 3 | )(-1 | 1 | )(2 | 1 | ) | ||
| | 4 | | 4 | | 2 | | 4 | |
签字:
| 3 | [ 3 2 | | 2 | ) | 2 | | 2] | | | 3 | ) | 2 | | 2 | | 1) 0 |
| 2 | | | 3 | |
| | | | | 4 | | | | 3 | | |
1
1 4 | | (1 0.5) | | 1 | | [2 | ( 3) ] 2 | | ( 81) | ( 2.25) ( | 4 | ) 16 | | ||||||||||
| | 3 | | | 9 | | 3 | ||||||||||||||||
5 | 2 | | (1 0.2 | | 1 | ) | ( 2)] | | 5 | ) ( 4) | 2 | | 0.25 ( 5) ( 4) | ||||||||||
| | | 5 |
| | | | 8 | | | |
签字:
()1 3 | 3 | | | 8 | 1 | | 3 | 1 | | | 1 | 1 | | 8 | | () | 1 | | | 3 | | 1 | | ||
| 8 | | | | 3 | | 8 | | | | 24 | | 27 | 6 | | 8 | | | | | 2 | | |||
6 | ( 7) 12 3 | ||||||||||||||||||||||||
6()3 ( 5) ( 3 7 | | 3 | (4)(-2)÷(-2 1 )×(-2) | ||||||||||||||||||||||
7 | 7 | | |
2
( 3) | 2 | | 1 | 3 | | 2 | | 6 | | 2 | |
| | | 2 | | | 9 | | | | 3 | (6)—22—(—2)2—23+(—2)3 |
签字:
()(- | 12 | )(- | 3 | ) | 5 | ()( |
| )(- | 6 | ) | |||||
| 25 | | 5 | | 4 | | 5 10 15 | | 5 | |
2 | 2 | ) | 8 | (-1 | 3 | )-0.25 |
5 | 5 | | 21 | | 4 | |
()()-2 -2 - -2 2 | 1 4(-10)2 |
()() 2 3 | | 2 | 3 | -()(2-3 2) | ()()( | 1 1- | ) |
3 | | 3 | | | 3 2 | |
3
签字:
4 | | 1 | ) | 3 | |
| | | | | | (2)5 ( 6) | | | ( 8) |
| | | |||||
| 2 |
| | 6 | ) | | ( | 1 | | 2) | ( 4) | 2 |
| | | ||||||||
(1) | |||||||||||||||||||||||
(3) | 2 | 1 | | | ( 6) 8( 2) | | | ||||||||||||||||
| 4 | 7 |
| | | 2 | | | (4) | 3 | ( 4) | 2 | | 5 |
|
| | 1 |
| 2 | 2 ) | | 1997 | | | | 1 |
(5) |
| | 2 |
| | | (6) | 1 | | (1 0.5) | | 3 |
签字:
(1)、 | | 2 | | 1 | | 3 | | 5 | | | 48 | (2) | 3 2 | ( 3) | 2 | ( 2) | 2 | 2 |
| | 3 | | 4 | | 8 | | 24 | | | | | | | | | | |
4
| ( 3 | 2 | | 3 | 3 | | 2 | | 6 | | | | | | | | | | | | | |
(3) | | | | 2 | | | 9 | | | | | ()4 ( 1) | 3 | 1 | | 4 | ( 3) | 3 | [( 2) | 5 | | 5] |
| | | | | | | | | | | | | | 2 | | 17 | | | | | | |
5
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