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Popcristina29
a fost răspuns

Afla termenul necunoscut:j(24:3+45:5)+143=4×j+124

Răspuns :

1) 24:3=8
2) 45:5=9
3)8+9=17
4)17+143=160
5)4x9+124=160
160=160

Sper ca team ajutat!
Luizachita
(24:3+45:5)+143=4j+124
(8+9)+143=4j+124
17+143=4j+124
160=4j+124
4j=160-124
4j=36
j=36:4
j=9

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