(1)325×45=14625.
325
×45 1625
1300 14625
(2)3367÷67=50…17.
50
67
3367
335 17
(3)907×20=18140.
907
×20 18140
(4)906÷78=11…48
11
78
906
78 126
78 48
验算:
78
×11 78
78 858
+48 906