Toán tính nhanh: 1/2 + 2/28 + 2/70 + 2/130 + 2/304 hứa cho ctlhn luôn 09/09/2021 By Adalynn tính nhanh: 1/2 + 2/28 + 2/70 + 2/130 + 2/304 hứa cho ctlhn luôn
.-. `1/2 + 2/28 + 2/70 + 2/130 + 2/304` `= (1/2 + 2/28) + (2/70 + 2/130) + 2/304` `= 4/7 + 4/91 + 2/304` `= 16/637 + 2/304` `= 3069/96824` Trả lời
.-.
`1/2 + 2/28 + 2/70 + 2/130 + 2/304`
`= (1/2 + 2/28) + (2/70 + 2/130) + 2/304`
`= 4/7 + 4/91 + 2/304`
`= 16/637 + 2/304`
`= 3069/96824`
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