Question

Resolver as equações

a) 1 × ( 1 + 7 ) - 16 : ( 1 +3 )
b) 7 × ( 9+5 ) - 12 : ( 4+2 )
c) 2× ( 7 +1 ) - 32 : ( 7+9 )
d) 9 × ( 3+7 ) -30 : ( 9+6 )​

Answer 1

A ) 8 : 4 = 2

B ) 86 : 6 = 14,333...

C ) - 16 : 16 = - 1

D ) 60 : 15 = 4

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