(1/2+1/3+1/4+…+1/60)+(2/3+2/4+2/5…+2/60)+(3/4+3/5+…+3/60)+…+(58/59+58/60)+59/60请尽快!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 09:18:15
![(1/2+1/3+1/4+…+1/60)+(2/3+2/4+2/5…+2/60)+(3/4+3/5+…+3/60)+…+(58/59+58/60)+59/60请尽快!](/uploads/image/z/13388-68-8.jpg?t=%EF%BC%881%2F2%2B1%2F3%2B1%2F4%2B%E2%80%A6%2B1%2F60%EF%BC%89%2B%EF%BC%882%2F3%2B2%2F4%2B2%2F5%E2%80%A6%2B2%2F60%EF%BC%89%2B%EF%BC%883%2F4%2B3%2F5%2B%E2%80%A6%2B3%2F60%EF%BC%89%2B%E2%80%A6%2B%EF%BC%8858%2F59%2B58%2F60%EF%BC%89%2B59%2F60%E8%AF%B7%E5%B0%BD%E5%BF%AB%21)
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(1/2+1/3+1/4+…+1/60)+(2/3+2/4+2/5…+2/60)+(3/4+3/5+…+3/60)+…+(58/59+58/60)+59/60请尽快!
(1/2+1/3+1/4+…+1/60)+(2/3+2/4+2/5…+2/60)+(3/4+3/5+…+3/60)+…+(58/59+58/60)+59/60
请尽快!
(1/2+1/3+1/4+…+1/60)+(2/3+2/4+2/5…+2/60)+(3/4+3/5+…+3/60)+…+(58/59+58/60)+59/60请尽快!
(1/2+1/3+1/4+…+1/60)+(2/3+2/4+2/5…+2/60)+(3/4+3/5+…+3/60)+…+(58/59+58/60)+59/60 =0.5+1+1.5+2+.+29.5 =(0.5+29.5)*59÷2 =885