A:2016
B:﹣2016
C:12016
D:−12016
如图,已知AB∥CD∥EF,它们依次交直线l1、l2于点A、D、F和点B、C、E,如果AD=6,DF=3,BC=5,那么BE=____ .
30×9=____ 90÷3=____ 22×4=____ 200÷4=____
55÷5=____ 3+400=____ 62-7=____ 6×700=____
0÷800=____ 42×2=____ 360÷9=____ 3×6+4=____
14 + 24 =____ 45 - 45 =____ 47 + 27 =____ 1- 56 =____