Tìm \(x\), khi biết: \(x \times 18:4 = 72 \times 0,25\)

    \(x \times 18:4 = 72 \times 0,25\)

    \(x \times 18 :4 = 18\)

    \(x \times 18 = 18 \times 4\) 

    \(x \times 18 = 72\)

    \(x = 72:18 \)

    \(x= 4\)