( )÷4=230…2.A.922 B.920 C.918
41×5○200,○里应填( )A.> B.< C.=
225×40的积的末尾有( )个0.A.1 B.2 C.3
47×5的积约是( )A.200 B.250 C.235
计算1283×3,当3×8时,表示求( )A.3个8 B.3个80 C.3个800
60的5倍是( ),60是5的( )倍.A.300 B.12 C.14