计算:(1)-6+(+7)-(+2)-(-1)(2)-10+8÷(-2)2-(-4)×(-3)
题型:解答题难度:一般来源:不详
计算: (1)-6+(+7)-(+2)-(-1) (2)-10+8÷(-2)2-(-4)×(-3) |
答案
(1)-6+(+7)-(+2)-(-1) =(-6)+7+(-2)+1 =-8+8 =0;
(2)-10+8÷(-2)2-(-4)×(-3) =-10+8÷4-12 =-10+2-12 =-20. |
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