Question

6. Write down the correct number in the box.
(1) 100² - 99² =
(ii) 27² - 26²=
(iii) 569² - 568² =
​

Answer 1

Answer:

(1) 10000-9801=199.

(2) 729-676=53

(3) 323761-322624=1137

hope it's help you

Answer 2

Step-by-step explanation:

(I) 100^2 - 99^2 = (100+99) (100-99)

= 199

(ii) 27^2 - 26^2 = (27+26) (27-26)

= 53

(iii)569^2 - 568^2=(569+568)(569-568)

= 1137