第三单元 第四课时 几和几（练案二）-小学同步教与学一年级数学上册（人教版）

书书书 !"#$ !"#$ ! ! ! " %&'()*+ !,-. ! /(/ !# ! $# ! %# ! &# ! "# ! '# "#$%& ! '%()$%& " (# *+,-. ! /01234 " )56 " ! ! ! !"#$%&" ! '( " ) # *+ $$ 书书书 !"#$ ! ! ! " %&'()*+ !"#$ ! %&% !# ! ! !! " "#$ # ! """" " ! ! !! " ! ! """"" " $ ! !! " ! ! !!! " ! "" " ! "" " ! """ " ! ! !! " ! ! """"" " % ! !! " ! ! """"" " & ! !! " $# % &'()*+,- $ .! # "#$ # &# %/0 " 1234 # %# ! # "#) % $ &'% % & 5 % ' &# $ # ! !! $ # & !! & # " !! $ # " !! & # % " # ! !! % # ! !! & # $ !! ! # & !! " # " "# 67 " 89 $ :;: $ <;< # => $ & =? =@ =A (# =>B=CDE " FG $ =>HI & F $ =CHI $ F $ JK1 L ( MNOP $ QRSTUV ( <WXYZZ # )# #;# # " # # !!! " # # &&& # !! !! ) ! ) !" !!! #$ !!!!!!!!!!!!!!!!!!!!!!! %&'()*& ! +, " - # ./ $$