小学数学二年级上册口算题打印
47+53=6×5 =7×5 =52+39=1×8 =2×9 =27+53=2×5 =15+19=8×5 =76-43=56-26=9×5 =74+18=87-56=8×7 =60-46=7×5 =7
小学数学二年级上册口算题打印