help!math!已知abcd是正数,且满足a+b+c+d=4,用M表示a+b+c+d,c+d+a,d+a+b的最大值,则M的最小值是多少?

help!math!已知abcd是正数,且满足a+b+c+d=4,用M表示a+b+c+d,c+d+a,d+a+b的最大值,则M的最小值是多少? help others with math, Help,help,me,help my math 已知正数x的平方根为a+2,3a-6,则根号63+a的立方根是?help My classmate often ____ me with my math?是help还是helps? 找完形填空是one day my math teacher asker me to help him save back Help sb with...Help me with my math = Help me with learning math(←这句话对么?如果不对,为什么?）=Help me to learn math?Help me with dance还是 Help me with dancing (dance有两种意思,一个是名词舞蹈,一个是动词跳舞那么 help me with my math 的翻译 Can you help me my math?改错 can you help me about math?thanks! 请模仿help with math写几句, Can you help the children___their math? 已知ab是正数且满足2 若四个有理数abcd之积是正数,则abcd中负数的个数可能是 math!Is too difficult for me. help me!求大神!解答.这是数学题!请回答为什么! He ______ the math problem, his classmates wanted to help him out.He ______the math problem, his classmates wanted to help him out.A. sticking overB. stuckC. stuck withD. sticking请问这不是独立主格结构吗? She needs help ____ math A.to B.for C.at D.with选哪个,这里的help是名词，我觉得应该选B 是 math 还是 maths?