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a fost răspuns

7 x a - 11 =31
6 x b -10 = 26
24 + 8 x c =64
18 : d + 3 =12
e :10 +35 =41
32 - f :4 = 7 x 4

Răspuns :

Carmennn
7×a=11+31⇒7×a=42⇒a=42:7⇒a=6
6×b=10+26⇒6×b=36⇒b=36:6⇒b=6
8×c=64-24⇒8×c=40⇒c=40:8⇒c=5
18:d+3=12⇒18:d=9⇒d=18:9⇒d=2....