问题
解答题
计算:
(1)-7+4;
(2)22+(-4)+(-2)+4;
(3)18-6÷(-3)×(-2);
(4)8-(-4)÷22×3.
答案
(1)-7+4=-3;
(2)22+(-4)+(-2)+4=22+4-6=20;
(3)18-6÷(-3)×(-2)=18+2×(-2)=18-4=14;
(4)8-(-4)÷22×3=8+1×3=11.
计算:
(1)-7+4;
(2)22+(-4)+(-2)+4;
(3)18-6÷(-3)×(-2);
(4)8-(-4)÷22×3.
(1)-7+4=-3;
(2)22+(-4)+(-2)+4=22+4-6=20;
(3)18-6÷(-3)×(-2)=18+2×(-2)=18-4=14;
(4)8-(-4)÷22×3=8+1×3=11.