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{(a- 416:4 +2)×5+3}×2=1986

Răspuns :

[(a-416:4+2)x5+3]x2=1986
(a-104+2)x5+3=1986:2
(a-104+2)x5=993-3
a-104+2=990:5
a-104=198-2
a=196+104
a=300




(a-104+2)x5 +3=1986:2
(a-104+2)x5=993-3
a-104+2=990:5
a-104=198-2
a=196+104
a=300