Toán 1/4: 0,25-1/5:20% + 3/4: 15/20- 5/2: 2,5+ 4/6 : 6/4: 5/6 – 1/8: 48/64=?. 21/10/2021 By Ayla 1/4: 0,25-1/5:20% + 3/4: 15/20- 5/2: 2,5+ 4/6 : 6/4: 5/6 – 1/8: 48/64=?.
Đáp án: Giải thích các bước giải: 1/4: 0,25-1/5:20% + 3/4: 15/20- 5/2: 2,5+ 4/6 : 6/4: 5/6 – 1/8: 48/64 = 1/4 : 1/4 -1/5: 1/5+3/4 :3/4 -5/2: 5/2+4/6 : 4/6 : 5/6 – 1/8: 3/4 = 1-1+1-1+1 x 6/5 – 1/8 x 4/3 = 0 +6/5 -1/6 = 31/30 Trả lời
Đáp án:
Giải thích các bước giải:
1/4: 0,25-1/5:20% + 3/4: 15/20- 5/2: 2,5+ 4/6 : 6/4: 5/6 – 1/8: 48/64
= 1/4 : 1/4 -1/5: 1/5+3/4 :3/4 -5/2: 5/2+4/6 : 4/6 : 5/6 – 1/8: 3/4
= 1-1+1-1+1 x 6/5 – 1/8 x 4/3
= 0 +6/5 -1/6
= 31/30