期末复习冲刺卷 专项能力提升卷2
期末复习冲刺卷专项能力提升卷2 两位数乘两位数的计算及应用一、填空。(每空1分,共20分)1.口算60×30时,可以先算( )×( ),再在得数的末尾添上()个0。2.25×40的积的末尾有( )个0。3.92×38的积的个位是( ),积是( )位数,积是( );估算时,可以把92看成( ),把38看成( ),所以92×38≈()。4.一个两位数乘6所得的积,等于12乘25的积,这个两位数是()。5.妈妈买了12盆花,每盆14元,根据竖式填空。6.7.28×50的积是28×( )的积的10倍。二、判断。(对的在括号里画“√”,错的画“×”。每题2分,共10分)1.一个数乘13...
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