X-2/5=7/10 X-25/16=5/64 X-5/4=7/24 X-9/8=5/16 X-3/4=4/5+1/3 X-3/5=5/9+5/3 Cảm ơn các Thầy Cô! 21/11/2021 Bởi Eva X-2/5=7/10 X-25/16=5/64 X-5/4=7/24 X-9/8=5/16 X-3/4=4/5+1/3 X-3/5=5/9+5/3 Cảm ơn các Thầy Cô!
x-2/5 = 7/10 x = 7/10+2/5 x = 7/10+4/10 x = 11/10 x-25/16=5/64 x = 5/64+25/16 x = 5/64+100/64 x = 105/64 x-5/4=7/24 x = 7/24+5/4 x = 7/24+30/24 x = 37/24 x-9/8=5/16 x = 5/16+9/8 x = 5/16+18/16 x = 23/16 x-3/4=4/5+1/3 x-3/4 = 12/15+5/15 x-3/4 = 17/15 x = 17/15+3/4 x = 68/60+45/60 x = 113/60 x-3/5=5/9+5/3 x-3/5 = 15/27+45/27 x-3/5 = 60/27 x = 60/27+3/5 x = 300/135+81/135 x = 381/135 Bình luận
Đáp án: Giải thích các bước giải: x – 2/5 = 7/10 x – 25/16 = 5/64 x = 7/10 + 2/5 x = 5/64 + 25/16 x = 11/10 x = 105/64 x – 5/4 = 7/24 x – 9/8 = 5/16 x = 7/24 + 5/4 x = 5/16 + 9/8 x = 37/24 x = 23/16 x – 3/4 = 4/5 + 1/3 x – 3/5 = 5/9 + 5/3 x – 3/4 = 17/15 x – 3/5 = 20/9 x = 17/15 + 3/4 x = 20/9 + 5/3 x = 113/60 x =35/9 Bình luận
x-2/5 = 7/10
x = 7/10+2/5
x = 7/10+4/10
x = 11/10
x-25/16=5/64
x = 5/64+25/16
x = 5/64+100/64
x = 105/64
x-5/4=7/24
x = 7/24+5/4
x = 7/24+30/24
x = 37/24
x-9/8=5/16
x = 5/16+9/8
x = 5/16+18/16
x = 23/16
x-3/4=4/5+1/3
x-3/4 = 12/15+5/15
x-3/4 = 17/15
x = 17/15+3/4
x = 68/60+45/60
x = 113/60
x-3/5=5/9+5/3
x-3/5 = 15/27+45/27
x-3/5 = 60/27
x = 60/27+3/5
x = 300/135+81/135
x = 381/135
Đáp án:
Giải thích các bước giải:
x – 2/5 = 7/10 x – 25/16 = 5/64
x = 7/10 + 2/5 x = 5/64 + 25/16
x = 11/10 x = 105/64
x – 5/4 = 7/24 x – 9/8 = 5/16
x = 7/24 + 5/4 x = 5/16 + 9/8
x = 37/24 x = 23/16
x – 3/4 = 4/5 + 1/3 x – 3/5 = 5/9 + 5/3
x – 3/4 = 17/15 x – 3/5 = 20/9
x = 17/15 + 3/4 x = 20/9 + 5/3
x = 113/60 x =35/9