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加减混合计算题:(1)15-(+556)-(+337)+(-216)-(+647)(2)(-1.5)+(+314)+(+3.75)+(-412)(3)(-523)-(+14)+(-13)+(+5)-(-114)(4)4213+8-(+3213)+(-125)+(-235)(5)(-323
题目详情
加减混合计算题:
(1)15-(+5
)-(+3
)+(-2
)-(+6
)
(2)(-1.5)+(+3
)+(+3.75)+(-4
)
(3)(-5
)-(+
)+(-
)+(+5)-(-1
)
(4)4
+8-(+3
)+(-1
)+(-2
)
(5)(-3
)-(-2
)-(-1
)-(+1.75)
(6)(-4
)-(-5
)+(-4
)-(3
)
(7)(-1
)+(+1
)+(-2
)-(-3
)-(+1
)
(8)(-1.2+2
)-(-5
)-|-3.4-(-1.2)|
(9)
+
+…+
+
(10)
+
+…+
+
.
5 5 6 6
3 3 7 7
1 1 6 6
4 4 7 7
1 1 4 4
1 1 2 2
2 2 3 3
1 1 4 4
1 1 3 3
1 1 4 4
2 2 13 13
2 2 13 13
2 2 5 5
3 3 5 5
2 2 3 3
3 3 4 4
2 2 3 3
7 7 8 8
1 1 2 2
1 1 4 4
1 1 8 8
1 1 2 2
1 1 4 4
1 1 2 2
3 3 4 4
1 1 4 4
1 1 6 6
5 5 6 6
1 1 1×2 1×2
1 1 2×3 2×3
1 1 8×9 8×9
1 1 9×10 9×10
1 1 1×3 1×3
1 1 3×5 3×5
1 1 97×99 97×99
1 1 99×101 99×101
(1)15-(+5
5 |
6 |
3 |
7 |
1 |
6 |
4 |
7 |
(2)(-1.5)+(+3
1 |
4 |
1 |
2 |
(3)(-5
2 |
3 |
1 |
4 |
1 |
3 |
1 |
4 |
(4)4
2 |
13 |
2 |
13 |
2 |
5 |
3 |
5 |
(5)(-3
2 |
3 |
3 |
4 |
2 |
3 |
(6)(-4
7 |
8 |
1 |
2 |
1 |
4 |
1 |
8 |
(7)(-1
1 |
2 |
1 |
4 |
1 |
2 |
3 |
4 |
1 |
4 |
(8)(-1.2+2
1 |
6 |
5 |
6 |
(9)
1 |
1×2 |
1 |
2×3 |
1 |
8×9 |
1 |
9×10 |
(10)
1 |
1×3 |
1 |
3×5 |
1 |
97×99 |
1 |
99×101 |
5 |
6 |
3 |
7 |
1 |
6 |
4 |
7 |
1 |
4 |
1 |
2 |
2 |
3 |
1 |
4 |
1 |
3 |
1 |
4 |
2 |
13 |
2 |
13 |
2 |
5 |
3 |
5 |
2 |
3 |
3 |
4 |
2 |
3 |
7 |
8 |
1 |
2 |
1 |
4 |
1 |
8 |
1 |
2 |
1 |
4 |
1 |
2 |
3 |
4 |
1 |
4 |
1 |
6 |
5 |
6 |
1 |
1×2 |
1 |
2×3 |
1 |
8×9 |
1 |
9×10 |
1 |
1×3 |
1 |
3×5 |
1 |
97×99 |
1 |
99×101 |
▼优质解答
答案和解析
(1)原式=15+(-5
5 5 56 6 6-2
1 1 16 6 6)+(-3
3 3 37 7 7-6
4 4 47 7 7)
=15-8-10
=-3;
(2)原式=(-1.5-4.5)+(3.25+3.75)
=-6+7
=1;
(3)原式=(-5
2 2 23 3 3-
1 1 13 3 3)+(-
1 1 14 4 4+1
1 1 14 4 4)+5
=-6+1+6
=0;
(4)原式=(4
2 2 213 13 13-3
2 2 213 13 13)+(-1
2 2 25 5 5-2
3 3 35 5 5)+8
=1-4+8
=5;
(5)原式=(-3
2 2 23 3 3+1
2 2 23 3 3)+(2.75-1.75)
=-2+1
=-1;
(6)原式=(-4
7 7 78 8 8-3
1 1 18 8 8)+(5
1 1 12 2 2-4
1 1 14 4 4)
=-8+1
1 1 14 4 4
=-6
3 3 34 4 4;
(7)原式=(-1
1 1 12 2 2-2
1 1 12 2 2)+(1
1 1 14 4 4+3
3 3 34 4 4-1
1 1 14 4 4)
=-4+3
3 3 34 4 4
=-
1 1 14 4 4;
(8)原式=-1.2+(2
1 1 16 6 6+5
5 5 56 6 6)-|-3.4+1.2|
=-1.2+8-2.2
=-4.6;
(9)原式=1-
1 1 12 2 2+
1 1 12 2 2-
1 1 13 3 3+…+
1 1 19 9 9-
1 1 110 10 10
=1-
1 1 110 10 10
=
9 9 910 10 10;
(10)原式=
1 1 12 2 2×(1-
1 1 13 3 3+
1 1 13 3 3-
1 1 15 5 5+…+
1 1 199 99 99-
1 1 1101 101 101)
=
1 1 12 2 2×(1-
1 1 1101 101 101)
=
50 50 50101 101 101.
5 |
6 |
1 |
6 |
3 |
7 |
4 |
7 |
=15-8-10
=-3;
(2)原式=(-1.5-4.5)+(3.25+3.75)
=-6+7
=1;
(3)原式=(-5
2 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
=-6+1+6
=0;
(4)原式=(4
2 |
13 |
2 |
13 |
2 |
5 |
3 |
5 |
=1-4+8
=5;
(5)原式=(-3
2 |
3 |
2 |
3 |
=-2+1
=-1;
(6)原式=(-4
7 |
8 |
1 |
8 |
1 |
2 |
1 |
4 |
=-8+1
1 |
4 |
=-6
3 |
4 |
(7)原式=(-1
1 |
2 |
1 |
2 |
1 |
4 |
3 |
4 |
1 |
4 |
=-4+3
3 |
4 |
=-
1 |
4 |
(8)原式=-1.2+(2
1 |
6 |
5 |
6 |
=-1.2+8-2.2
=-4.6;
(9)原式=1-
1 |
2 |
1 |
2 |
1 |
3 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
(10)原式=
1 |
2 |
1 |
3 |
1 |
3 |
1 |
5 |
1 |
99 |
1 |
101 |
=
1 |
2 |
1 |
101 |
=
50 |
101 |
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