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.
计算:
(1)(-2)+(+3)-(-5)-(+27)
(2)(-1)6×10-(-4)3÷8.
(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.