选出下列划线部分是什么意思。( )(1)Ann usually makes kites.( )(2)Alice says her family is going to China soon.( )(3)Alice and her sister are angry.
最大的一位数与最小的三位数的乘积是( ) A.900 B.1000 C.1111
下列算式中结果比2800大,比4000小的是( )
沿着400米的跑道跑了20圈是( )千米. A.8000 B.80 C.8
与25×120积不相等的算式是( ) A.250×12 B.25×100+20 C.25×4×30
350×80的积末尾有( )个0. A.2 B.3 C.4