问题 解答题
计算:
(1)22+(-17)+8+(-22);
(2)(-0.125)+(+5)+(-7)+(+
1
8
)+(+2);
(3)(-1.76)+(-19.15)+(-8.24).
答案

(1)22+(-17)+8+(-22)

=22-17+8-22

=-9;

(2)(-0.125)+(+5)+(-7)+(+

1
8
)+(+2)

=-0.125+5-7+

1
8
+2

=0;

(3)(-1.76)+(-19.15)+(-8.24)

=-1.76-19.15-8.24

=-29.15.

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