Primary school people's education printing plate sixth grade mathematics wide angle 70-73 pages, the answers to the exercises should be described in words. The last page of page 73 is entitled:
(Note: The reason is the formula)
1.5÷4= 1…… 1
1+ 1=2
2.4 1÷5=8…… 1
8+ 1=9
3.3+ 1=4
4.6÷2=3