(X + 5 ) + ( X + 6) +(X + 7) + ( X +8 ) + ( X + 9) + (X + 10 ) = 375
(X + 5 ) + ( X + 6) +(X + 7) + ( X +8 ) + ( X + 9) + (X + 10 ) = 375
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(X + 5 ) + ( X + 6) +(X + 7) + ( X +8 ) + ( X + 9) + (X + 10 ) = 375
Sapo
Đáp án:
Giải thích các bước giải:
375 = X + ( 5 + 6 + 7 + 8 + 9 + 10 )
375 = X + 45
X = 375 – 45
X = 330
cho mik Ctlhn nhé
Gerda
(X + 5 ) + ( X + 6) +(X + 7) + ( X +8 ) + ( X + 9) + (X + 10 ) = 375
x=5+6+7+8+9+10=15*3=45
x=375-45
x=330
x=330/6
x=55