1. 12 x (-21) = 2. 27 x (-18) = 3. 195 : (-15) = 4. 181 + 144 : (-12) = 5. (-9) x 7 : 3 =

1. 12 x (-21)
-252
2. 27 x (-18)
-486
3. 195: (-15)
-13
4. 181+144:(-12)
181+(-12)
181-12
163
5. (-9) x 7 :3
-63:3
-21
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