Question

[Emma]

a) 3.( 10:x) = 111

b) 3.(10+x) =111

c) 3+( 10.x) =111

d) 3 + (10+x) = 111

Mg các bạn giúp mil, cảm ơn ạ

Answer 1

[Mỹ Châu]

a)\(3.\left(10:x\right)=111\)

\(\Rightarrow10:x=37\)

\(x=10:37\)

\(x=\frac{10}{37}\)

b)\(3.\left(10+x\right)=111\)

\(\Rightarrow10+x=37\)

\(x=37-10\)

\(x=27\)

c)\(3+\left(10.x\right)=111\)

\(\Rightarrow10x=108\)

\(x=108:10\)

\(x=\frac{54}{5}\)

d)\(3+\left(10+x\right)=111\)

\(\Rightarrow10+x=108\)

\(x=108-10\)

\(x=98\)