二年级乘法计算题

相关推荐

• 二年级题甲乙丙丁四数的和为55甲加上2等于乙减去2丙乘以2等于乙除以2问甲乙丙丁是多少简单的过程
• 一道英文计算题条件：Labour Costs:£166,000Q：If this company employed eighty permanent employees in January whowere on the same salary,what would have been the effect on labour costs ifthey had replaced twenty permanent employees with interim staff each onmonthly salaries of £3,000?这个题目的答案是“Labour Costs将增加£18,500”.请翻译一下这个题目的意思~
• 什么是乘法交换律、分配率、和结合律?
• 计算题：求代数式1/4（2x+3）^3=25x10中的x的值若3√（4-k）^3=4-k,则k=______如果3x+16的立方根是4,求2x+4的算术平方根3√ab x 1/6√b/a x 2/5√a/b
• 一道英语计算题,急!Once an old lady went to the market to sell eggs. She carried a basket of eggs. She sold her eggs to five people. The first bought half of the eggs and another half of an egg. The second, half of the rest and another half of the half left……The fifth took half of the eggs that the fourth person bought and another half of the half left. Then the old lady went back home with an empty basket. Do you know how many eggs the lady sold out and how m
• 简单死的计算题求1.(1.25X10^7)X(-8X10^6)除以(5X10^-1)写出过程,就是写出(1.25X10^7)X(-8X10^6)的结果和最后结果.2.2^44.
• 计算题：0.25x(√3/2)^1/2x(27/4)1/4—10x(2—√3)^—1+(1/300)^1/2
• 125×32×25简便运算是乘法结合律吗
• 125×16等于125×2×8是乘法交换律吗?
• 乘法交换律、结合律的定义是什么样的1：运用乘法结合律的算式一定要加上括号吗?2：例如：4*8*25=4*25*8=100*8=800这里运用了什么,是乘法交换律还是乘法结合律,或者是既有乘法交换律又有结合律.3:例如3*4*5=?三个数相乘也可以用乘法交换律?
• 如图，等腰梯形ABCD中，AD∥BC，AD=3，BC=7，∠B=60°，P为下底BC上一点（不与B、C重合），过P点作PE交DC于E，使得∠APE=∠B．（1）求等腰梯形的腰长；（2）证明：△ABP∽△PCE；（3）在底边BC上是否存在一点P，使得DE：EC=5：3？如果存在，求出BP的长；如果不存在，请说明理由．
• 初一数学乘法公式——分解因式计算题：1.9x^2y^2+12xy+4= 2.4（a+b）初一数学乘法公式——分解因式计算题：1.9x^2y^2+12xy+4=2.4（a+b）^2-12（a+b）+9=3.（x^2+y^2）^2-4x^2y^=