Question

Gente me ajudem nessas contas
A) 20+[13+(10-6)+4]

B) 52-{12+[15-(8-4)]}

Answer 1

A)10-6=4
13+8= 21
20+21= 41

B)
52-{12+[15-4]}

52-{12+11}

52-{23}

52 - 23

29