计算,能简算的要简算.110+57+310-57729-719+2229-111959+(34-12)1112-(1112-16)34+(1118-512)23+(13+14)+34.-数学
=
2 |
5 |
=
2 |
5 |
(2)
7 |
29 |
7 |
19 |
22 |
29 |
11 |
19 |
=(
7 |
29 |
22 |
29 |
11 |
19 |
7 |
19 |
=1-
18 |
19 |
=
1 |
19 |
(3)
5 |
9 |
3 |
4 |
1 |
2 |
=
5 |
9 |
1 |
4 |
=
29 |
36 |
(4)
11 |
12 |
11 |
12 |
1 |
6 |
=
11 |
12 |
11 |
12 |
1 |
6 |
=
1 |
6 |
(5)
3 |
4 |
11 |
18 |
5 |
12 |
=
3 |
4 |
7 |
36 |
=