妈妈有16.5元钱,买菜花了x元,还剩13.3元。妈妈花了多少元钱?7x)f3s4k'v,?
算式:提示+P'[-H,S7x)f3s4k'v,?
答:妈妈花了9h2z8j2}4M+A']5f'i9o9o元。7x)f3s4k'v,?