问题
解答题
10640÷560=
504900÷4900=
213×105=
49×215=
答案
10640÷560
=10640÷(80×7)
=10640÷80÷7
=19,
504900÷4900=103…200
1 0 3
4900 504900
4 90 0
_________________
1 4 9 0 0
1 4 7 0 0
_________________
2 0 0
213×105=22365
2 1 3
×1 0 5
__________________
1 0 6 5
2 1 3
___________________
2 2 3 6 5
49×215=10535
4 9
×2 1 5
__________________
2 4 5
4 9
9 8
_________________
1 0 5 3 5