人教版二年级上册计算练习题193736824358+71+57+47-7614-29577111952996-1854■+8949+49-47585229173362-29+29+45+56+58+28用竖式计算90-38=56+39=9+87=58-29=67-39=67+26=98-54=8+63=72-17=50-18=口算76-37=54-29=79-64=98-48=64+24=75-55=56-36=67-60=85-50=42-32=55+38=15+56=69.31=93-5623+3242-1971-15=62-5637-2550+2262-48=22+55=46-28=48-26=86-4570-4272-54=16+27=43-27=75-33=40-1283-56=76-37=54-29=79-64=48+35=
暂无评论内容