solve the sum / solve that sum 两个都可以么

solve the sum / solve that sum 两个都可以么 Someone please help me to solve this sum! That should solve the problem这里的solve是动词可以写成That should to s the jounalise that she hoped the government would solve that solve the mystery solve the problem solve the traffic solve the equation . this would solve the problem.That's how the problem___solved The children asked the teacher how _(solve)that problem He found that the problem was hard to solve. He said that he couldn't solve the problem.翻译