1. 144: (-12) +7*(-2³) +2010
12+7*16+2010
12+126+2010
138+2010
2148
2. -88: (-4) -125: (-5²)-380
22-125:(-25)-380
22-41-380
-19-380
(-361)
3. {6-[282*(-1) -(44: 11-18)]}-644
{6-[282*(-1) -(4-18)]}-644
{6-[282*(-1) -(-14)]}-644
{6-[282-(-14)]}-644
{6-268}-644
262-644
-382
4. 25²: (-5²)- {42+3*[6-(3³*5+11) ]}
25²: (-5²) -{42+3*[6-(27*16) ]}
25²: (-5²) - {42+3*[6-446]}
25²: (-5²) -{42+3*(-440)]}
25²: (-5²) -{42+1320}
25²: (-5²) -1362
625: 25-1352
25-1352
-1327