(x +1) + ( x+3) + ( x + 5) + ( x+7) + ( x + 9) = 175 17/08/2021 Bởi Samantha (x +1) + ( x+3) + ( x + 5) + ( x+7) + ( x + 9) = 175
(x + 1) + (x+3) + (x + 5) + (x+7) + (x + 9) = 175 5x + (1+3+5+7+9)=1755x +25=1755X=175-255x=150 x=150:5x=30 Hidden ninja Bình luận
(x + 1) + (x+3) + (x + 5) + (x+7) + (x + 9) = 175
5x + (1+3+5+7+9)=175
5x +25=175
5X=175-25
5x=150
x=150:5
x=30
Hidden ninja
Đáp án:
5X + (1+3+5+7+9)=175
5X +25=175
5X=175-25
5X=150
X=150:5
X=30