Question

d) 10³: (123+34: [(2-3²)²:18-17⁰×1²⁰²⁰]}; e) 12×(3+10 [120+6×(15×5+25-3)]}-174-30.​

Answer 1

Răspuns:

10³:{123+34:[(2•3²)²:18-1]} =

1000 : {123+34:[(2•9) :18 -1]} =

1000: {123+34:[18²:18-1]}=

1000:{123+34:(18-1)}=

1000:{123+34:17}=

1000:(123+2) =

1000:125 =

8

____________

12×(3+10 [120+6×(15×5+25-3)]}-174-30=

12×[(3+10(120+6×97)]-174-30=

12×(3+10×702)-174-30=

12×7023-174-30=

84276-174-30=

84072