34+512-11242328+(1314+27)916-18-38115+27+1415+571-37-471-(16-17)+16.-数学
34 |
28 |
=
57 |
28 |
(3)
9 |
16 |
1 |
8 |
3 |
8 |
=
9 |
16 |
1 |
8 |
3 |
8 |
=
9 |
16 |
1 |
2 |
=
1 |
16 |
(4)
1 |
15 |
2 |
7 |
14 |
15 |
5 |
7 |
=(
1 |
15 |
14 |
15 |
2 |
7 |
5 |
7 |
=1+1,
=2;
(5)1-
3 |
7 |
4 |
7 |
=1-(
3 |
7 |
4 |
7 |
=1-1,
=0;
(6)1-(
1 |
6 |
1 |
7 |
1 |
6 |
=1-
1 |
6 |
1 |
7 |
1 |
6 |
=(1+
1 |
7 |
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