Amy went to the park her parents.
A：and
B：with
C：about
y=|x+1|+|x﹣2|
250÷5＝____ 800÷4＝____ 42×5＝____
103×7＝____ 525÷5＝____ 810÷9＝____
690÷3＝____ 84÷4＝____0÷2＝____
