Question

5by4×1=1×5by4=5by4 and 2×(5+4)=(2×5)+(2×4) and 4by5+2by3=2by3+4by5

Answer 1

Answer:

20 and 18 and 26

Step-by-step explanation:

5by4×1 = 20

5by4=20

2×(5+4)=18

(2×5)+(2×4)=18

4by5+2by3=26

2by3+4by5=26