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,填未知数,2014年11月,第 6关,第 5关,第 4关,第 3关,第 2关,第 1关,数学乐园,6,+,9,3,5,2,2,4,+,+,+,-,-,-,-,7,9,9,8,10,1,5,6,9,7,1,2,10,9,8,3,1,7,+,0=,7,6,4,5,9,10,8,7,5,6,7,2,2,2,3,4,7+( )=10,3,4+( )= 10,6,猜一猜,再画几面 就是8面 ?,6+( )=8,2,7+()=0,5+( )=,-( )= ,10-( )=7,5+( )= 10,8-( )= 2,3,6,6,5,4,3,9,10,8,7,4,1,7,5,5,1,2,9,1,4,3,2,7,5,4,7+( )=9,2,3( )=5,2,4( )=6,( )+5=9,4,( )+5=7,6+( )=10,4,2,2,1,3,4,5,6,比比谁最聪明?,有9只小兔,每只小兔要喂一个萝卜,还缺3个萝卜。现在有( )个萝卜?,6,小小数学家,3+( )= 7,3+( )=7+( ),3+( )=( )+( ),( )+( )=( )+( ),4,想一想,在唐僧师徒取经的路上,猪八戒去找吃的,他一共找来10根香蕉准备带回去分给师徒们吃,可是,看着香蕉,八戒直流口水,他忍不住一口气吃了好几根,吃完一看,手里还剩下4根香蕉了,八戒想,我刚才吃了几根呢?同学们你能告诉他吃了几根吗?,再见,