题目内容
计算题(要求写出解题过程)
(1)(+4.3)﹣(﹣4)+(﹣2.3)﹣(+4);
(2)14﹣6÷(﹣2)+4×(﹣6);
(3)10﹣3×(﹣2)3
(4)
.
(1)(+4.3)﹣(﹣4)+(﹣2.3)﹣(+4);
(2)14﹣6÷(﹣2)+4×(﹣6);
(3)10﹣3×(﹣2)3
(4)
解:(1)(+4.3)﹣(﹣4)+(﹣2.3)﹣(+4),
=4.3+4﹣2.3﹣4,
=2;
(2)14﹣6÷(﹣2)+4×(﹣6),
=14+3﹣24,
=﹣7;
(3)10﹣3×(﹣2)3,
=10+24,
=34;
(4)
,
=﹣30×
+30×
﹣30×
,
=﹣15+20﹣24,
=﹣19.
=4.3+4﹣2.3﹣4,
=2;
(2)14﹣6÷(﹣2)+4×(﹣6),
=14+3﹣24,
=﹣7;
(3)10﹣3×(﹣2)3,
=10+24,
=34;
(4)
=﹣30×
=﹣15+20﹣24,
=﹣19.
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