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a fost răspuns

[41536 + 9 × 43-(2y + 6 × 8 - 5 × 2)]-1936 : 4 × 78 =4065
a) y=30; b) y= 32; c) y= 34; d) y=36

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Răspuns :

41536 +9×43-(2y+6×8-5×2)=1936÷4+4065
41536+387-(2y+6×8-5×2)=484×78+4065
41536+387-(2y+6×8-5×2)=37752+4065
41536+387-(2y+6×8-5×2)=41817
41923-(2y+6×8-5×2)=41817
2y+6×8-5×2=41923-41817
2y+48-10=106
2y+38=106
2y=106-38
2y=68
y=68÷2
y=34

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