Question

Simplify:
1.17×{16-(17-2)}=
2.80-{(25-8)+(40-23)}=
3.(30÷6)÷{(6×12)÷8}=
4.{240÷{5(6+3-7)}+17×2+4}=






plese give the answers.​

Answer 1

Step-by-step explanation:

1.) 17×{16-(17-2)}

=> 17×{16-15}

=> 17×1 = 17

2.) 80-{(25-8)+(40-23)}

=> 80-{(17)+(17)}

=> 80-34 = 46

3.) (30÷6)÷{(6×12)÷8}

=> (5)÷{72÷8}

=> 5 ÷ 9 = 0.55556

4.) {240÷{5(6+3-7)}+17×2+4}

=> {240÷{5×2}+34+4}

=> 240÷10 + 38

=> 24 + 38 = 62

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