Ruby China

Ruby 过来写个乘法口诀

zhangyanan · June 13, 2014 · Last by ucooling replied at June 13, 2014 · 1936 hits

1*1=1 1*2=2 2*2=4 ....

ucooling #2 June 13, 2014

(1..9).each do |i| (1..i).each do |j| print "#{j}*#{i} = #{i*j} " end print "\n" end

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