computers 这个单词,选5个字母排列。words are formed using the letters of the word"computers".how many different 5letter words are possible if:1)没有限制排(there are no restrictions)2)有两个元音字母(2 vowels must be use
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/04 03:47:26
xVNWR*A-|n3s&%H\[])jq!iJJ4RD$S/OBx%:R>3眽g^k
*?^(b4߭vF;B<[+J}v4WdCGcq0uJ㌙R;O}G3Ig\wtZS4&!qB>r8Y{Xߟkތf_YH
⳹S4aUl>ik;1kEf,t'#
6C~^5hV}F̫ŭ&0V#}4 ww=)gce'~9z2rcڵT$LfKG$/=|t.7SQuYӅpMx`vh,B{dXI~㣎ax/ͷ+xs¢ԗ)
i32R>"'SLV|z2s~!tpav4wX-B9!lf +pNkf{&Y& {rI 2Q5u07bg/r&Xp=G,qqOc2Uk{FSnhf7r*n֕J8
2@8̮]bDjO|I i)Vcp|