480÷40=
[ ]
A.6
B.12
C.210
D.230
20×500=
A.10000
B.7200
C.4600
D.4500
8×900=
200×23=
15×300=
40×800=
A.320
B.3200
C.320000
D.32000
9×6-15=
A.59
B.49
C.39
D.69
6300÷700=
A.19
B.9
C.90
D.900
800×6=
A.48000
B.48
C.480
D.4800
王老师带了
[
A
B
C
D