Question

1) 686 + 74 400 - 40 00 000 + 48 00 000​

Answer 1

Explanation :-

$\bf\implies686 + 74 400 - 40 00 000 + 48 00 000$

$\bf\implies75086 - 40 00 000 + 48 00 000$

$\bf\implies75086 - 8800000$

$\bf\implies - 8724914$

Answer 2

874400 is your answer hope it will helps you