丁丁是个小马虎,他在计算除法时,把除数65写成了56,结果得到的商是18余32,正确的商是多少?
【分析】这里要运用逆向思维,将错就错,首先是把除数就当作是56,反过来推出被除数是多少,然后算出正确的商.
求过直线x+y+1=0 与 2x+3y﹣4=0的交点且斜率为﹣2的直线方程.
2006年
观察上面的年历,你发现了什么?
____
Much to our shock, none of the 100 people were able to________the gas blast, which brought great grief to their family.
计算:1﹣3×(﹣2)=____