Question

a x (b+c)= a x b + a x.....

a x 1=... x a =.....

a : ... = a

... : a=1

.... : a = 0

( a khác 0)

Answer 1

..............c

........1...........1

a.....................

0.....................

Answer 2

a x (b+c)= a x b + a x c

a x 1= 1x a = a

a : 1 = a

a : a=1

0 : a = 0

( a khác 0)

Answer 3

a x (b+c)=a x b + a x c

a x 1= 1x a=a

a : 1 =a

a : a = 1

0 : a = 0