Question

a) hay phan tich 20 thanh tong cac so tu nhien sao cho tich cac so tu nhien ay cung bang 20.

b) ban co the lam nhu the voi so tu nhien nao duoc khong?

Answer 1

20 = 10+2+1+1+1+1+1+1+1+1

20=10*2*1*1*1*1*1*1*1*1

Answer 2

20 = 10+2+1+1+1+1+1+1+1+1

20=10*2*1*1*1*1*1*1*1*1

6=1+2+3 = 1*2*3

 

Answer 3

20 = 10 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

20 + 10 x 2 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1