题目内容
34×20=
[ ]
A.80
B.320
C.680
D.3000
答案:C
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题目内容
34×20=
[ ]
猜一猜,苹果代表几?
|
(1)20 +34+ |
|
|
(2) |
|
|
(3)5 +5+5=5× |
|
|
(4)3 ×5-3=3× |
|