题目内容
直接写出结果:
①(-2.2)+(+4.9)=______;
②0-(-11.9)=______;
③(-
)-(-
)=______;
④|-3|-(-1)=______;
⑤(-
)÷(-2)=______;
⑥
+
______.
①(-2.2)+(+4.9)=______;
②0-(-11.9)=______;
③(-
| 1 |
| 3 |
| 1 |
| 2 |
④|-3|-(-1)=______;
⑤(-
| 1 |
| 2 |
⑥
| 3 | 0.001 |
| 0.01 |
①(-2.2)+(+4.9)=2.7;
②0-(-11.9)=11.9;
③(-
)-(-
)=-
+
=
;
④|-3|-(-1)=3+1=4;
⑤(-
)÷(-2)=-
×(-
)=
;
⑥
+
=0.1+0.1=0.2.
故答案为:2.7,11.9,
,4,
,0.2.
②0-(-11.9)=11.9;
③(-
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 6 |
④|-3|-(-1)=3+1=4;
⑤(-
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 4 |
⑥
| 3 | 0.001 |
| 0.01 |
故答案为:2.7,11.9,
| 1 |
| 6 |
| 1 |
| 4 |
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