Please try your best and thses questions BODMAS way
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1. 5+7×4-(11+6) = 5+28-(17) = 5+28-17 = 33-17 = 16
2. 5×2×8-(12×9) = 80-108 = -28
3. 9-12+9-(9×2) = 18-12-18 = -12
4. 2-5×12+(5×10) = 2-60+50 =2-10 = -8
5. 11×(11-12)×11-9 = 11×(-1)×11-9 = -11×11-9 = -121 -9 = -130
The others are pretty much the same. Just follow BODMAS rule and you'll be fine.
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