Question

3-[4+ (9²-5).(-2)] + 1 é:

Answer 1

3-[4+ (9²-5).(-2)] + 1

3-[4+(81-5)×(-2)]+1

3-[4+76×(-2)]+1

3-[4-152]+1

3-(-148)+1

3+148+1=152

Answer 2

3-[4+ (9²-5).(-2)] + 1

3-[4+ (81-5).(-2)] + 1

3-[4+ (76).(-2)] + 1

3-[4 -152)] + 1

3-[ -148 ] +1

3 + 148 +1

152 ✓