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计算(1)(-32)+71+(-46)+89+32+(-114);(2)3.6+(-715)+(+525)+(-2.8)
题目详情
计算
(1)(-32)+71+(-46)+89+32+(-114);
(2)3.6+(-7
)+(+5
)+(-2.8)计算
(1)(-32)+71+(-46)+89+32+(-114);
(2)3.6+(-7
)+(+5
)+(-2.8)
)+(+5
)+(-2.8)
1 5 1 1 5 5
)+(-2.8)
2 5 2 2 5 5
(1)(-32)+71+(-46)+89+32+(-114);
(2)3.6+(-7
1 |
5 |
2 |
5 |
(1)(-32)+71+(-46)+89+32+(-114);
(2)3.6+(-7
1 |
5 |
2 |
5 |
1 |
5 |
2 |
5 |
1 |
5 |
2 |
5 |
2 |
5 |
▼优质解答
答案和解析
(1)(-32)+71+(-46)+89+32+(-114)
=(-32+32)+(71+89)+(-46-114)
=0+160-160
=0;
(2)3.6+(-7
)+(+5
)+(-2.8)
=(3.6+5
)+(-7
-2.8)
=9-10
=-1.
1 5 1 1 15 5 5)+(+5
)+(-2.8)
=(3.6+5
)+(-7
-2.8)
=9-10
=-1.
2 5 2 2 25 5 5)+(-2.8)
=(3.6+5
)+(-7
-2.8)
=9-10
=-1.
2 5 2 2 25 5 5)+(-7
-2.8)
=9-10
=-1.
1 5 1 1 15 5 5-2.8)
=9-10
=-1.
=(-32+32)+(71+89)+(-46-114)
=0+160-160
=0;
(2)3.6+(-7
1 |
5 |
2 |
5 |
=(3.6+5
2 |
5 |
1 |
5 |
=9-10
=-1.
1 |
5 |
2 |
5 |
=(3.6+5
2 |
5 |
1 |
5 |
=9-10
=-1.
2 |
5 |
=(3.6+5
2 |
5 |
1 |
5 |
=9-10
=-1.
2 |
5 |
1 |
5 |
=9-10
=-1.
1 |
5 |
=9-10
=-1.
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