我不是最大两位数,我比97大
+ + + + =20 =
5米 50厘米 8米 10厘米 5厘米
>>>>
2×5 = 4 × 6 = 5 ×3 = 8 ×5 =
5 +5 = 5×5 = 3 × 5= 2 ×9 =
7×4 = 3×6 = 6×5 = 4 ×1=
4× 8 = 7 ×3 = 4 × 4 = 4 + 4 =
观察物体。请你连一连,下面分别是谁看到的?
= (只) 口诀:
口答:一共有( )只小蝌蚪。