Toán Tính : S = 1 – 17/6 + 31/12 – 49/20 + 71/30 – 97/42 + 127/56 – 161/72 + 199/90 26/09/2021 By Maria Tính : S = 1 – 17/6 + 31/12 – 49/20 + 71/30 – 97/42 + 127/56 – 161/72 + 199/90
Đáp án: S = 1 – 17/6 + 31/12 – 49/20 + 71/30 – 97/42 + 127/56 – 161/72 + 199/90 s= (1– 17/6) + (31/12 – 49/20) + (71/30 – 97/42) + (127/56 – 161/72) + 199/90 s= -11/6+2/15+2/35+2/63+199/90 s= 3/5 Cho xin 5sao cảm ơn Giải thích các bước giải: Trả lời
Đáp án:
S = 1 – 17/6 + 31/12 – 49/20 + 71/30 – 97/42 + 127/56 – 161/72 + 199/90
s= (1– 17/6) + (31/12 – 49/20) + (71/30 – 97/42) + (127/56 – 161/72) + 199/90
s= -11/6+2/15+2/35+2/63+199/90
s= 3/5
Cho xin 5sao cảm ơn
Giải thích các bước giải: