Use os sinais das quatro operaçoes fundamentais e parenteses,quando necessario,para que as igualdades fiquem verdadeiras
a 2 2 2=2
b 2 2 2=3
d 3 3 3=3
e 3 3 3 3=10
f 4 4 4=20
g 4 4 4=3
h 20 8 7=19
i 20 8 7=5
j 20 2 2=16
k 20 2 2=11
l 20 2 2=5
m 2 3 4=14
n 3 4 2=5
o 3 4 2=18
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