【8/5*（7/3-0.15)+7.8】/(44/5）简算

【8/5*（7/3-0.15)+7.8】/(44/5）简算
【8/5*（7/3-0.15)+7.8】/(44/5）简算

【8/5*（7/3-0.15)+7.8】/(44/5）简算
(8/5*（7/3-0.15)+7.8)/(44/5）
= (8/5 * 7/3 - 8/5 *0.15 + 7.8) * 5/44
= (8/5 * 7/3 * 5/44 - 6/25 * 5/44 + 7.8 * 5/44
= (7*8)/(3*44) - 6/(5*44) + 39/44
= (1/44)(56/3 - 6/5 + 39)
= (1/44)(5/3 - 1/5 + 55)
= (1/44)(22/15 + 55)
= 1/4 * (2/15 + 5)
= 77/60