计算下列各式:(1)12-256+3112-41920-5130+64142-7156+87172-9190=______.〔2)(-6)2÷(0.1)2-(-32-42)÷(-0.0116)÷(-64)÷0.025=______.
1 |
2 |
5 |
6 |
1 |
12 |
19 |
20 |
1 |
30 |
41 |
42 |
1 |
56 |
71 |
72 |
1 |
90 |
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
1 |
2 |
1 |
2 |
1 |
3 |