3*7+6*7 и (3+6)*7 4*8+5*8 и (4+5)*8

Question

3*7+6*7 и (3+6)*7 4*8+5*8 и (4+5)*8

Answer 1

1. 63
2. 63
3. 72
4.  72

Answer 2

x 2 = a {\displaystyle x^{2}=a}