A certain number of apples are distributed among poor children.If 3 apples are given to each of them,80 apples remain and if 4 apples are distributed to each of them,there is a shortage of 30 apples.Find the numbers of children and apples.(方程式

eliminate a certain number of opponents to win this event 英语certain a number of movementscertain a number of movements这里要不要冠词a?如果要的话能不能和certain换一下位置? if 2/3 is 1/2 of 4/5 of a certain number, then that number is:怎么列式啊 Reading Comprehension Normally a student must attend a certain number of courses in order to gradua Normally a student must attend a certain number of courses in order to graduate, tpo12听力原文中they seem programmed to divide only a certain number of times.这是seem的什么用法为什么不是they seem to be programmed to divide only a certain number of times. 飞车游戏里 cop chase:eliminate a certain number of opponents to win this event 这一关怎么也过不去. 英语翻译a number of 是许多的意思，加上good /certain与加上great是一个意思吗？ 英语翻译When a certain odd number is divided by 5,the remainder is 1.Which digit must be in the units place of this odd number? the number of,a small number of,a number of. There are a number of conditions affecting the tendency to perceive certain parts of a stimulus situation as figure and the others as ground. a number of the number of 英语翻译what is the tenths digit in the decimal representation of a certain number?(1)the number is less than 1/3(2)the number is greater than 1/4 a growing number of a.number.of?用法 a small number of a number of 造句 a number of同义词