Question

[100÷{13+4(15-9+3)}]

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Answer 1

[100÷{13+4(15-9+3)}]

[100÷13+4(15-9+3)]

[100÷13+4×15-9+3]

[100÷13+60-9+3]

[100÷73-9+3]

[100÷73-9+3]

[100÷73-12]

100÷73-12

100÷61

= 0.61