1. 12
2. 7
3. 28
4. 88
5. 17.4
|-3|+|9|=3+9=12
|-12|-|-5|=12-5=7
|-57|-|29|=57-29=28
|8|×|-11|=8×11=88
|-87|÷|-5|=87÷5=17,4
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1. 12
2. 7
3. 28
4. 88
5. 17.4
|-3|+|9|=3+9=12
|-12|-|-5|=12-5=7
|-57|-|29|=57-29=28
|8|×|-11|=8×11=88
|-87|÷|-5|=87÷5=17,4