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
60 |
72 |
56 |
72 |
27 |
72 |
=
116 |
72 |
27 |
72 |
=
143 |
72 |
(2)
5 |
8 |
2 |
5 |
1 |
4 |
=
25 |
40 |
16 |
40 |
10 |
40 |
=
9 |
40 |
10 |
40 |
=
19 |
40 |
(3)
14 |
15 |
2 |
3 |
1 |
5 |
=
14 |
15 |
7 |
15 |
=
7 |
15 |
(4)
19 |
20 |
4 |
5 |
7 |
40 |
=
19 |
20 |
25 |
40 |
=
63 |
40 |
(5)
7 |
6 |
7 |
10 |
1 |
3 |
=
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