Question

yX400-yX300=100

Tìm y?

X là dấu nhân

Answer 1

yX400-yX300=100

=>yX(400-300)=100

=>yX100=100

=>y=100:100

=>y=1

Trả lời: y=1

Ai k mik mik k lại cho nhoa

Answer 2

\(y\cdot400-y\cdot300=100\)

\(=y\left(400-300\right)=100\)

\(=y\cdot100=100\)

\(\Rightarrow y=100:100\)

\(\Rightarrow y=100\)

Answer 3

y * 400 - y * 300 = 100

=> y ( 400-300) = 100

=> y * 100 = 100

=> y = 1

Answer 4

y*400-y*300=100

y*(400-300) =100

y*100 =100

y =100:100

y=1