2\3:x= 2 1\2:(0,3) (-1,5) mũ 2 : 2 1\5 -3,15 cần gấp ah 16/07/2021 Bởi Kinsley 2\3:x= 2 1\2:(0,3) (-1,5) mũ 2 : 2 1\5 -3,15 cần gấp ah
`2/3 : x= 2 1/2 : (-0,3)` `=> 2/3 : x = 5/2 : -3/10= -25/3` `=> x=2/3:-25/3=-2/25` `(-1,5)^2 : 2 1/5 – 3,15` `= 9/4 : 11/5 – 63/20` `= 45/44 – 63/20` `= -117/55` Bình luận
`2/3÷x=2 1/2÷(0,3)` `2/3÷x=5/2÷3/10` `2/3÷x=5/2×10/3` `2/3÷x=5/1×5/3` `2/3÷x=25/3` `x=2/3÷25/3` `x=2/3×3/25` `x=2/1×1/25` `x=2/25` `(-1,5)^2÷2 1/5-3,15` `=2,25÷11/5-63/20` `=9/4×5/11-63/20` `=45/44-63/20` `=-117/55` CHÚC BẠN HỌC TỐT!!! Bình luận
`2/3 : x= 2 1/2 : (-0,3)`
`=> 2/3 : x = 5/2 : -3/10= -25/3`
`=> x=2/3:-25/3=-2/25`
`(-1,5)^2 : 2 1/5 – 3,15`
`= 9/4 : 11/5 – 63/20`
`= 45/44 – 63/20`
`= -117/55`
`2/3÷x=2 1/2÷(0,3)`
`2/3÷x=5/2÷3/10`
`2/3÷x=5/2×10/3`
`2/3÷x=5/1×5/3`
`2/3÷x=25/3`
`x=2/3÷25/3`
`x=2/3×3/25`
`x=2/1×1/25`
`x=2/25`
`(-1,5)^2÷2 1/5-3,15`
`=2,25÷11/5-63/20`
`=9/4×5/11-63/20`
`=45/44-63/20`
`=-117/55`
CHÚC BẠN HỌC TỐT!!!