Question

[(1pe2+2pe3+5pe6)×1pe4:(5×12pe25-1 intreg 1pe3)
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Answer 1

[(1/2+2/3+5/6)×1/4÷(5×12/25-1 1/3)

[(3/6+4/6+5/6)×1/4÷(1×12/5-4/3)

12/6×1/4÷(12/5-4/3)

12/24÷(36/15-20/15)

12/24÷16/15

12/24×15/16

6/24×15/8

90/192=45/96