Điền số thích hợp vào dấu x \(\frac{1}{6}\)+ \(\frac{x}{3}\)= \(\frac{3}{2}\)(Nói hẳn lời giải ,cách làm,không mò,không ghi đáp án)
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Ai đúng mình tick nhé!
1/6+x/3=3/2
x/3=3/2-1/6
x/3=8/6
x/3=8:2/6:2
x/3=4/3
Vậy x=4
Tính bằng cách thuận tiện:
\(\frac{13}{7}\)+ \(\frac{5}{6}\)+ \(\frac{2}{7}\)+ \(\frac{7}{6}\) \(\frac{1}{2}\) x \(\frac{5}{6}\)+ \(\frac{1}{2}\)x \(\frac{11}{6}\)
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