Question

sabendo que a=31/4-5/3 e b=12/3-1/2 calcule a+b

Answer 1

a 31 - 5 93 -20 = 73
__ __ ______ ___
4 3 12 12

b 12 - 1 24 - 3 = 21 /3 7
__ __ _____ ___ __
3 2 6 6 /3 2

73 + 7 73 +42 = 115
__ __ _____ ___
12 2 12 12