计算:(1)(+113)+(-523)(2)(1735-47+45)×(-35)(3)-22-(-3)3×(-1)4(4)23×(-214)-3-338(5)-22-(-3)3×(-1)4-(-1)5(6)12+(-23)+45+(-12)+(-13)(7)[(-32)3×(-43)2÷(-12)-32-(-3)3]-数学
1 |
3 |
=-4
1 |
3 |
(2)(
17 |
35 |
4 |
7 |
4 |
5 |
=
17 |
35 |
4 |
7 |
4 |
5 |
=-17+20-28,
=-45+20,
=-25;
(3)-22-(-3)3×(-1)4,
=-4-(-27)×1,
=-4+27,
=23;
(4)
2 |
3 |
2
|
3 | -3
| ||
=
2 |
3 |
3 |
2 |
3 |
2 |
=-1+
3 |
2 |
=
1 |
2 |
(5)-22-(-3)3×(-1)4-(-1)5,
=-4-(-27)×1-(-1),
=4+27+1,
=32;
(6)
1 |
2 |
2 |
3 |
4 |
5 |
1 |
2 |
1 |
3 |
=
1 |
2 |
1 |
2 |
2 |
3 |
1 |
3 |
4 |
5 |
=0-1+
4 |
5 |
=-
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