【(21/4-4.25)*5/8】/3/8+3.3/11/6

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【(21/4-4.25)*5/8】/3/8+3.3/11/6
x){0APDDTSTqD}c} mc=c}CC}3"}bP<2[:C4Y-3

【(21/4-4.25)*5/8】/3/8+3.3/11/6
【(21/4-4.25)*5/8】/3/8+3.3/11/6

【(21/4-4.25)*5/8】/3/8+3.3/11/6
【(21/4-4.25)*5/8】/3/8+3.3/11/6
=【1*5/8】/3/8+3.3*6/11
=5/8*8/3+3.3*6/11
=5/3+9/5
=52/15

原式=5/3+9/5
=52/15