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Tismihaela
a fost răspuns

(24÷3+45÷5)+143=4×a+124
Cum se rzolva?

Răspuns :

Neaguangelica52
(24:3+45:5)+143=4xa+124
8+9+143=4a+124
17+143-124=4a
160-124=4a
36=4a
a=36:4
a=9

Robertinni
(24÷3+45÷5)+143= 4a+124
(8+9)+143= 4a+124
17+143= 4a+124
160= 4a+124
4a= 160-124
4a= 36
a= 36÷4
a= 9

/robèrtinni