Question

i) 100 - 3 { 20+ [ 50 – 40]}
ii) 3 {(-6) + 20 } +[(-7+9)(2) 1-12
iii) 1800 = 10 {(12 - 6 ) + ( 24 – 21 )}




Pls step by step answer pls ​

Answer 1

Answer:

1) 100 - 3 { 20+10} = 97 { 30 } = 2910

Step-by-step explanation:

2) 3 (14) + [2](2) -11 = 42+4-11 = 46-11 =35. 3)1800 = 10 { (6)+ (3) } . 1800= 10(9)