Question

a) y x 47 = 2961

b) y : 32 = 243 (dư 17)

c) y x 17 + y x 28 - y x 13 = 1728

chả lời mình tick 

Answer 1

a) y x 47 = 2961

y = 2961 : 47

y = 63

Answer 2

A 

Answer 3

a)\(47y=2961\)

⇔\(y=63\)

b)\(y:32=243\left(\text{dư 17}\right)\) 

⇔\(y:32=260\)

⇔\(y=8320\)

c)\(17y+28y-13y=1728\)

⇔\(32y=1728\)

⇔\(y=54\)