问题
解答题
直接写出结果: ①-12+13=______; ②-6×(-3)=______; ③-18-18=______; ④3÷(-
⑤-3.145×9.986×0=______; ⑥-5+(+3)=______; ⑦-13×8=______; ⑧-3÷3×
⑨6+6÷(-6)=______; ⑩1-(-2)2=______. |
答案
①-12+13=1;
②-6×(-3)=18;
③-18-18=-36;
④3÷(-
1 |
8 |
⑤-3.145×9.986×0=0;
⑥-5+(+3)=-2;
⑦-13×8=-8;
⑧-3÷3×
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
⑨6+6÷(-6)=6-1=5;
⑩1-(-2)2=1-4=-3.
故答案为:①1;②18;③-36;④-24;⑤0;⑥-2;⑦-8;⑧-
1 |
3 |