2710×59+313÷89.123-179×0.05÷13134×(137+137+137+137)[2034-(29+14)×36]÷78(1-14)÷(2.1-25×1.5)23×[2.83-(0.83+57)]÷47.-数学
7 |
8 |
=[20
3 |
4 |
2 |
9 |
1 |
4 |
7 |
8 |
=[20
3 |
4 |
7 |
8 |
=[20
3 |
4 |
7 |
8 |
=3
3 |
4 |
7 |
8 |
=
30 |
7 |
(5)(1-
1 |
4 |
2 |
5 |
=
3 |
4 |
=
3 |
4 |
=0.5;
(6)
2 |
3 |
5 |
7 |
4 |
7 |
=
2 |
3 |
4 |
7 |
=
2 |
3 |
4 |
7 |
=