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计算:-5-1计算:4.3-(-5)+(-2.3)计算:213-(+325)-(+813)+(-835)计算:(38+16-34)×(-24)

题目详情
计算:-5-1
计算:4.3-(-5)+(-2.3)
计算:2
1
3
-(+3
2
5
)-(+8
1
3
)+(-8
3
5

计算:(
3
8
+
1
6
-
3
4
)×(-24)
▼优质解答
答案和解析
-5-1=-(5+1)=-6;
4.3-(-5)+(-2.3)=4.5+5-2.3=9.5-2.3=7.2;
2
1
3
-(+3
2
5
)-(+8
1
3
)+(-8
3
5
)=2
1
3
-3
2
5
-8
1
3
-8
3
5
=2
1
3
-8
1
3
-3
2
5
-8
3
5
=-6-12=-18;
3
8
+
1
6
-
3
4
)×(-24)=-
3
8
×24-
1
6
×24+
3
4
×24=-9-4+18=-13+18=5.