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.
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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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