题目内容
试题答案
42
[
A
B
C
D
(
x÷18=45
x=
[ ]
A.8
B.180
C.810
D.81
710-230=
A.420
B.480
C.460
D.470
270+148=
A.220
B.318
C.418
D.417
750×5=
A.1920
B.3650
C.3750
D.2750