Question

answer the following :-
a) 75^2
b) 78 x 11
c) 45^2
d) 89 x 22​

Answer 1

Answer:

Step by Step explanation :-

we can solve the following using tricks ,without long calculation ..

a) 75^2 =

5×5= 25

7 ×8= 56

answer = 5625

b) 78 × 11

= 858

c) 45^2 =

5^2 = 25

4×5 = 20

answer = 2025

d) 89 × 22

= 1958