Question

solve all but it's ur choice how much u can solve ​

Answer 1

Answer:

hey

the answer is 1

I hope it is helpful

Answer 2

Answer:

6) 1) 56×44

(50+6) (50-6)

(50) ^2 -(6) ^2

2500-36

2464

2) 107×103

(105+2) (105-2)

(105) ^2 -(2) ^2

11025 -4

11021

3) 10.5 ×9.5

(10+0.5) (10-0.5)

(10) ^2-(0.5) ^2

100-0.25

99.75

4) (9.9) ^2

(9+0.9) ^2

(9) ^2 +(0.9) ^2+ 2×9×0.9

81 + 0.81 + 16.2

98.01