Question

(i) 56 x 39 = 56 x 30 + 56 x
(ii) 37 x 19 = 37 × 10 + 37 x 5 + 37 x
(iii) 18 x 47 = 18 × 50 - 18 x
(iv) 76 x 88 = 76 x 90 – 76 x​

Answer 1

Answer:

(i)448

(ii)111

Step-by-step explanation:

i.56*39=56*30+56

2184=1680+56

2184=1736

so,2184-1736

=448 ans

ii.37×19=37×10+37×5+37 x

703=370+185+37

703=592

x=703-592=111