1. Resolva as equações abaixo

a) 8×-5=35

b) 2 (2×+2)=30

c) 8 (3×-4)=60

d) 9×+8=80

e) 7(×+8)=80

f) 5×+20=60

g) 2×+10=50

ME AJUDA!!​
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