Simplify: 18-[15-{9÷(17+3×2-20)}]
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14
18-[15-{9÷(17+3×2-20)}]
= 18-[15-{9÷(17+6-20)}]
= 18-[15-{9÷(23-20)}]
= 18-[15-{9÷3}]
= 18-[15-3]
= 18-12
= 6
= 18-[15-{9÷(17+6-20)}]
= 18-[15-{9÷(23-20)}]
= 18-[15-{9÷3}]
= 18-[15-3]
= 18-12
= 6
Answered by
6
18-[15-{9÷(17+3×2-20)}]
18-[15-{9÷(23-20)}]
18-[15-3]
18-12
=6
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