離散課本第一章常用字(出現至少5次)，每行十字，十行一段，每次可剪貼最多一百字到工具軟體內幫助背生字
the of in and to is are for we can
number that many how ways one from with be this
each example there if as by three integer two arrangement
four part these five at first on all or an
so different have where selection other such letter no six
object select then do result which not solution table product
distinct problem counter size here rule symbol order when answer
arrange list run student book consider following must position possible
determine find least positive seven she use her now consequently
it permutation second has path will column expansion more
program string sum address club factor get our any fig follow
coefficient combination move repetition among counting eight but container given
may same chapter collection value case figure last up want
also card even identical question right theorem type us used
correspond next nine solve variable about binomial composition computer exactly
executed left principle segment selected summand times contain into only
shown team allow between call count digit general kind line
new place statement term third xi above appear bar considered
distribute let made point president purchase start way consist exceed
he linear obtain pair process shall show some total
was after children combinatorial correspondence equation form hand people set than
their town condition consecutive dealing diamond either equal formula include
make men note relevant remain seated situation them what algorithm
because block child circular develop enumeration mathematics member network once
print proof space system unit ai been before committee deck
fourth his location parenthesize play provide replace represent row section
small spade summation weight am application cell chosen class filled
hot however indicate introduce know large memory notation often out
plate read senior shelf standard starting suppose take task textbook
theory time were arise assigned assistant banana beverage both
certain circle come complete considering continue cream denote designate does entry
examine further hymn increment jack length local message need never
occur page possibility repeated restriction say should they those top
vice wish without written york ace addition again available basic
bit blue check distributed distribution end found generalize go happen
hearts item junior king learn like muffin multinomial orange road
science shop side square stool target travel triangle under white
who additional adjacent always another approach ballot begin bill board
break byte coffee could decide dime discrete distinguished done dot
equivalent examination exercise expression final going head idea instance
involve just language main manufacture method mona particular present prior priority
receive red reference representation require rise sandwich sequence since slate
sugar tail tea teacher tournament trip until upon upward vertices
while write yes