Question

Solve it if you know ​

Answer 1

Answer:

In first digit the three digit increase after every number and in second digit the one decrase after every number.

Step-by-step explanation:

because first one in 7x11x13+13 is that 3 number increase after every digit and in +13 the third number digit is 13 so it is +13 and

see in next one the 7x6x5x4x3x1+5 is that the one number decrease after every number and in+5 the third digit number is 5