義務教育人教版三年級下冊,練習八,兩位數乘兩位數,4,1.,3,60,21,81,100,80,5,500,400,900,273,203,7,1805,5,2.,305,155,146,136,252,184,175,127,=150,=75,=84,=78,=50,=72,=85,=84,163,2204,462,244,1403,1704,323,392,=48,=880,=92,