用递等式计算,能简算的要简算. (1)2- ÷ - | (2)6÷[( + )× ] | (3)(41×9.9+4.1) | (4) ( + + )×72 | (5)754-(302+459÷51) | (6)9×( - )×13. | |
用递等式计算,能简算的要简算. (1)2- ÷ - | (2)6÷[( + )× ] | (3)(41×9.9+4.1) | (4) ( + + )×72 | (5)754-(302+459÷51) | (6)9×( - )×13. | |
用递等式计算,能简算的要简算. (1)2- ÷ - | (2)6÷[( + )× ] | (3)(41×9.9+4.1) | (4) ( + + )×72 | (5)754-(302+459÷51) | (6)9×( - )×13. | |
用递等式计算,能简算的要简算. (1)2- ÷ - | (2)6÷[( + )× ] | (3)(41×9.9+4.1) | (4) ( + + )×72 | (5)754-(302+459÷51) | (6)9×( - )×13. | | 用递等式计算,能简算的要简算. (1)2- ÷ - | (2)6÷[( + )× ] | (3)(41×9.9+4.1) |
(4) ( + + )×72 | (5)754-(302+459÷51) | (6)9×( - )×13. |
(1)2- ÷ - | (2)6÷[( + )× ] | (3)(41×9.9+4.1) |
(4) ( + + )×72 | (5)754-(302+459÷51) | (6)9×( - )×13. |
(1)2- ÷ - | (2)6÷[( + )× ] | (3)(41×9.9+4.1) |
(4) ( + + )×72 | (5)754-(302+459÷51) | (6)9×( - )×13. |
(1)2- ÷ - | (2)6÷[( + )× ] | (3)(41×9.9+4.1) |
(1)2- ÷ - | ÷ - 5 |
11 |
5 |
5 | 11 |
11 | - 9 |
22 |
9 |
9 | 22 |
22 | 8 |
9 |
8 |
8 | 9 |
9 | (2)6÷[( + )× ] | + )× ] 3 |
5 |
3 |
3 | 5 |
5 | )× ] 1 |
10 |
1 |
1 | 10 |
10 | ] 5 |
21 |
5 |
5 | 21 |
21 | (3)(41×9.9+4.1) | (4) ( + + )×72 | (5)754-(302+459÷51) | (6)9×( - )×13. |
(4) ( + + )×72 | ( + + )×72 5 |
12 |
5 |
5 | 12 |
12 | 1 |
9 |
1 |
1 | 9 |
9 | 3 |
8 |
3 |
3 | 8 |
8 | (5)754-(302+459÷51) | (6)9×( - )×13. | - )×13. 2 |
9 |
2 |
2 | 9 |
9 | )×13. 1 |
13 |
1 |
1 | 13 |
13 |