80×10=80030×60=180031×2=6231×20=62022×40=88038×27=102638×2710261138×2+38×70=38×7+38×20=266760266576138×2732×11=35232532×11233223536×11=57×11=25×11=12×11=13239627557×11=62757×115727615723×24762※※※※※※※※37×26=（）甲乙962967积的尾数是几？54×26=140473×21=153319×29=5512×=34127积的尾数是几？54×26=14073×21=15319×29=55×=3412751×31=（）A.1581B.2581A51×3115811531557×36=（）B.2052A.1772B根据乘积，选择算式。A.72×97C.49×32D.56×3849×32=1568××1345
