问题 解答题

计算:

(1)(-2)+(+3)-(-5)-(+27)

(2)(-1)6×10-(-4)3÷8.

答案

(1)(-2)+(+3)-(-5)-(+27)

=-2+3+5-27

=-29+8

=-21;

(2)(-1)6×10-(-4)3÷8

=1×10-(-64)÷8

=10+8

=18.

综合
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