Упростите:7(27+7)-37(4-37)+12

Question

Упростите:
7(27+7)-37(4-37)+12

Answer 1

1) 27+7=34
2) 4-37= -33
3) 7*34=238
4) 37* (-33)= -1221
5) 238-(-1221)=1459
6) 1459+12=1471