计算下列各式:(1)12-256+3112-41920-5130+64142-7156+87172-9190=______.〔2)(-6)2÷(0.1)2-(-

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)
1
2
-2
5
6
+3
1
12
-4
19
20
-5
1
30
+6
41
42
-7
1
56
+8
71
72
-9
1
90

=
1
2
-(3-
1
6
)+(3+
1
12
)-(5-
1
20
)-(5+
1
30
)+(7-
1
42
)-(7+
1
56
)+(9-
1
72
)-(9+
1
90

=-3+3-5-5+7-7+9-9+
1
2
+
1
6
+
1
12
+
1
20
-
1
30
-
1
42
-
1
56
-
1
72
-
1
90

=-10+
1
2
+
1
2
-
1
3
+<
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