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9/5%5/8+3/8脱式计算

5/8-(3/8+1/12)的脱式计算。 5/8-(3/8+1/12) =5/8-3/8-1/12 =1/4-1/12 =1/3

3/8×5/6 =(3×5)/(8×6) =15/48 =5/16

(4/5+1/10)+3/8 =9/10+3/8 =51/40 =1又11/40

240x3/8x5/9 =90x5/9 =50

(5/6+ 3/8)÷(5/6-3/8) =(20/24+9/24)÷(20/24-9/24) =29/24÷11/24 =29/24×24/11 =29/11

37.5%*5/7+1/7x3/8+3/8÷7 =3/8*5/7+3/8*1/7+1/8*1/7 =3/8*(5/7+1/7+1/7) =3/8*1 =3/8

3.125÷8/5-9/5×7/3 =8/25×5/8-21/5 =5-21/5 =4又21/16

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