计算(1)56+79+38(2)58-25+14(3)1415-(23-15)(4)1920+(45-740)(5)76-(710-13)(6)118-(23-14)(7)(4+27)-(914+12)(8)136-(34-512+13)-数学
11 |
30 |
=
4 |
5 |
(6)
11 |
8 |
2 |
3 |
1 |
4 |
=
11 |
8 |
5 |
12 |
=
23 |
24 |
(7)(4+
2 |
7 |
9 |
14 |
1 |
2 |
=4
2 |
7 |
9 |
14 |
1 |
2 |
=4
2 |
7 |
16 |
14 |
=
30 |
7 |
8 |
7 |
=
22 |
7 |
(8)
13 |
6 |
3 |
4 |
5 |
12 |
1 |
3 |
=
13 |
6 |
9 |
12 |
5 |
12 |
4 |
12 |
=
13 |
6 |
4 |
12 |
4 |
12 |
=
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