101 × 1/5 – 1/5 × 21

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101×1/5–1/5×21101×1/5–1/5×21101×1/5–1/5×21101x1/5-1/5x21=(101-21)x1/5=80x1/5=16101×1/5–1/5×21=1/5×(1

101 × 1/5 – 1/5 × 21
101 × 1/5 – 1/5 × 21

101 × 1/5 – 1/5 × 21
101x1/5-1/5x21
=(101-21)x1/5
=80x1/5
=16

101 × 1/5 – 1/5 × 21
=1/5×(101-21)
=1/5×80
=16

101 × 1/5 – 1/5 × 21 101×1/5-1/5 简算:1+5+9+13+17+21+……+101 1+5+9+13+17+21+...+101简便运算 0–1/2–（–3/4）+（–5/6）–2/3 1–5和1求解英语有理数的减法 (28 21:28:50)1/1*3+1/3*5+1/5*7+.1/99*101 1–5题求解英语 1–5题英语求解 1–5题的英语求解 1–5题求解英语-.- 1–5题求解!英语 1–5题英语求解 1–5题求解英语 1–5题求解英语 1–5小题英语求解! 1–5题英语求解 1–5题求解英语