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2019-2020年一年级数学口算练习卷2-一年级数学试题45+3045+35+4150+416+3252+640+4762+427+405+2371+545+3069+16+3318+7044+35+3225+420+354+753+9530+6553+2085+34+5230+656+2216+340+5856-3056-389-4089-475-3056-329-477-729-2056-463-5038-498-396-3039-625-478-4080-3079-6049-726-359-367-399-5030-155-227-545-2076-4046-3046+304+7451+738+4093-8063-3095-586+102+8269+073-40100-3059-495-470+286+9819-620+8065+3092-5013+585-258-3058+3036-336-305+3450+3412+5+5065-5-5080-20+66-4+805-3+7070-30+560+4+2075-70+980-20+156+32-3046-6+6078-8+2930+50+1225-20+7154+3-546+6+2090-50+4232-2+5875-40-322-20+5036+20-2059-30+3028-8+2590-10-6030+70-5022+4+4036+3+1056-2+1085+10-2068-( )=6363+( )=6845+( )=65( )+20=6565-( )=4565-( )=20( )+16=5656-( )=1678-( )=7623+( )=2990-( )=89( )+5=26( )-55=3( )+5=1849-( )=296+( )=48( )-9=90( )-20=2828-( )=865-( )=3526+( )=56( )+42=4985-( )=5( )+3=3725-( )=2138-( )=3143+( )=4769-( )=3986-( )=80 5 1 + 4 7 6 5 + 1 2 2 7 + 5 1 6 9 - 4 7 8 5 - 4 3 6 1 + 3 7 9 8 - 3 7 2 + 4 7 7 6 - 4 4 2 + 5 7 6 1 + 8 7 9 - 6 2 2 + 1 7 8 3 + 1 6
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