— How many bananas(香蕉)?
— Five bananas.
A:
B:
下列有关物质的性质及其解释都正确的是 ( )
6×5=____ 76-32=____ 12-8=____ 6×3=____ 5×3-5=____
7×4=____ 2×4=____ 2×2=____ 18-9=____ 4×6=____