文档介绍：2019年一年级口算练****卷2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-()=8051+4765+1227+5169-4785-4361+3798-372+4776-442+5761+879-622+1783+16