Question

A- (×+4).(×+3)=
B- (×-6).(×-8)=
C- (×-8).(×+4)=
D- (×+10).(×-6)=
E- (×-1).(×+7)=
F- (×+4).(×-2)=
Me ajudem pfv

Answer 1

Resposta:

2)calcule as somas das frações abaixo<br /><br />a)3/5+5/7<br /><br />b)3/8+2/4<br /><br />c)5/9+6/6<br /><br />d)6/10+8...

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