能简算的要简算:1112-38+185-47-371516-(316+14)49+310+59+710314+37+51447+314+714.-数学
=5-(
4 |
7 |
3 |
7 |
=5-1,
=4;
(3)
15 |
16 |
3 |
16 |
1 |
4 |
=
15 |
16 |
3 |
16 |
1 |
4 |
=
3 |
4 |
1 |
4 |
=
1 |
2 |
(4)
4 |
9 |
3 |
10 |
5 |
9 |
7 |
10 |
=(
4 |
9 |
5 |
9 |
7 |
10 |
3 |
10 |
=1+1,
=2;
(5)
3 |
14 |
3 |
7 |
5 |
14 |
=
3 |
14 |
5 |
14 |
3 |
7 |
=
4 |
7 |
3 |
7 |
=1;
(6)
4 |
7 |
3 |
14 |
7 |
14 |
=
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