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计算:(1)(-2)+3;(2)30-(-12)-(-25)-18+(-10);(3)-314-235+534-825;(4)(-2)÷32×(-127)×(-0.25);(5)25×34-(-25)×12+25×(-14);(6)(12-23+116-

题目详情
计算:
(1)(-2)+3;                         
(2)30-(-12)-(-25)-18+(-10);
(3)-3
1
4
-2
3
5
+5
3
4
-8
2
5
;         
(4)(-2)÷
3
2
×(-1
2
7
)×(-0.25);
(5)25×
3
4
-(-25)×
1
2
+25×(-
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).



1
4
-2
3
5
+5
3
4
-8
2
5
;         
(4)(-2)÷
3
2
×(-1
2
7
)×(-0.25);
(5)25×
3
4
-(-25)×
1
2
+25×(-
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
1
4
1144
3
5
+5
3
4
-8
2
5
;         
(4)(-2)÷
3
2
×(-1
2
7
)×(-0.25);
(5)25×
3
4
-(-25)×
1
2
+25×(-
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
3
5
3355
3
4
-8
2
5
;         
(4)(-2)÷
3
2
×(-1
2
7
)×(-0.25);
(5)25×
3
4
-(-25)×
1
2
+25×(-
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
3
4
3344
2
5
;         
(4)(-2)÷
3
2
×(-1
2
7
)×(-0.25);
(5)25×
3
4
-(-25)×
1
2
+25×(-
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
2
5
2255
3
2
×(-1
2
7
)×(-0.25);
(5)25×
3
4
-(-25)×
1
2
+25×(-
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
3
2
3322
2
7
)×(-0.25);
(5)25×
3
4
-(-25)×
1
2
+25×(-
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
2
7
2277
3
4
-(-25)×
1
2
+25×(-
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
3
4
3344
1
2
+25×(-
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
1
2
1122
1
4
);     
(6)(
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
1
4
1144
1
2
-
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
1
2
1122
2
3
+1
1
6
-
5
12
)÷(-
1
12
).
2
3
2233
1
6
-
5
12
)÷(-
1
12
).
1
6
1166
5
12
)÷(-
1
12
).
5
12
551212
1
12
).
1
12
111212
▼优质解答
答案和解析
(1)原式=1;
(2)原式=30+12+25-18-10=70-28=42;
(3)原式=-3
1
4
+5
3
4
-2
3
5
-8
2
5
=2
1
2
-11=-8
1
2

(4)原式=-2×
2
3
×
9
7
×
1
4
=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
1
4
111444+5
3
4
-2
3
5
-8
2
5
=2
1
2
-11=-8
1
2

(4)原式=-2×
2
3
×
9
7
×
1
4
=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
3
4
333444-2
3
5
-8
2
5
=2
1
2
-11=-8
1
2

(4)原式=-2×
2
3
×
9
7
×
1
4
=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
3
5
333555-8
2
5
=2
1
2
-11=-8
1
2

(4)原式=-2×
2
3
×
9
7
×
1
4
=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
2
5
222555=2
1
2
-11=-8
1
2

(4)原式=-2×
2
3
×
9
7
×
1
4
=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
1
2
111222-11=-8
1
2

(4)原式=-2×
2
3
×
9
7
×
1
4
=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
1
2
111222;
(4)原式=-2×
2
3
×
9
7
×
1
4
=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
2
3
222333×
9
7
×
1
4
=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
9
7
999777×
1
4
=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
1
4
111444=-
3
7

(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
3
7
333777;
(5)原式=25×(
3
4
+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
3
4
333444+
1
2
-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
1
2
111222-
1
4
)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
1
4
111444)=25;
(6)原式=(
1
2
-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
1
2
111222-
2
3
+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
2
3
222333+
7
6
-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
7
6
777666-
5
12
)×(-12)=-6+8-14+5=13-20=-7.
5
12
555121212)×(-12)=-6+8-14+5=13-20=-7.