Question

[Hoài Thương Võ]

Câu 2. Tìm x:

a/ 136,5 –X = 5 ,4 x 1,2                                        b/ 259,2 : X = 39 + 4,2            

Answer 1

[Nguyễn Lê Phước Thịnh]

a: =>136,5-x=6.48

=>x=130,02

b: =>259,2:x=43,2

=>x=6

Answer 2

[Ng Ngọc]

\(a.136,5-x=5,4\times1,2\)

\(136,5-x=6,48\)

\(x=136,5-6,48\)

\(x=130,02\)

\(b.259,2:x=39+4,2\)

\(259,2:x=43,2\)

\(x=258,2:43,2\)

\(x=6\)