Question

Tim x

X x1,7=85.         X x 1,28=4.48x3,84

Answer 1

X x1,7=85

X = 85 : 1,7 = 50

X x 1,28=4.48x3,84

X x 1,28=17,2032

X = 17,2032 : 1,28 = 13,44

Answer 2

X x1,7=8,5

X       =8,5:1,7

X       = 3

X x 1,28=4,48x3,84

X x 1,28=17,2032

X          =17,2032:1,28

X          = 13,44

Chúc bạn thành công

Answer 3

X x 1,7 = 85

       X = 85 : 1,7

       X = 50

X x 1,28 = 4,48 x 3,84

X x 1,28 = 17,2032

        X = 17,2032 : 1,28

        X = 13,44

Answer 4

Xx1,7=85

X=85:1,7

X=50

Xx1,28=17,2032

Xx1,28=17,2032

X=17,2032:1,28

X=13,44