聪明的家长都知道寒假学习的重要性，四年级重点必考应用题，快收藏

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尤缪亭3558小学四年级奥数题目 -
班往禄17122023391 ______ 43

尤缪亭3558数学题(小学四年级) -
班往禄17122023391 ______ 长方体的边长(比较的那一面)=x 正方体边长=ax-3=aa+3=x3*3=9懂了吗?

尤缪亭3558高中数学4,5题 -
班往禄17122023391 ______ 4.直接设f(x)=kx+b然后把x值代入 ,联立两式得到 k=5 b=35.利用两点式,设f(x)=a(x+3)(x+5)把(0,3)代入得a=1/5 就完了

尤缪亭3558高一数学第四题答案 -
班往禄17122023391 ______ 大于等于0小于等于3分之1

尤缪亭3558数学的方程题
班往禄17122023391 ______ (5x+1)(x+1)=0, 所以x=-1/5 , x=-1

尤缪亭3558数学练习卷6年级
班往禄17122023391 ______ 1.40*6/(40+x)=6-1 x=8 2.8:x=192:(240-192) x=2 3.a:b:c=10:5:4

尤缪亭3558高一数学4题 要过程 很急 感激!! -
班往禄17122023391 ______ 1、由| 5 - 3x | - 1 >= 0,得| 5 - 3x | >= 1 即5 - 3x >= 1 或 5 - 3x <= -1 ∴x <=4/3 或 x >= 2 ∴函数y=√(|5-3x|-1)的定义域是 { x | x <=4/3 或 x >= 2 }. 2、f(x + 1) = (x - 1) ^ 2 (x∈R) 令t = x + 1,则x = t - 1 ∴f(t) = (t - 2) ^ 2 即f(x) = (x - 2) ^ 2 >= 0 f(x)min = f(2) ...

尤缪亭3558七年级下数学应用题 -
班往禄17122023391 ______ 3人间 16间 3*16=48人 只有46人住单间4间16*20+4*50=520元不好意思看错题目.. 3人间是每人20元 那么其余46人 三人间X 两人间Y3*X+2*Y=46X+Y=16X=12 Y=412*60+4*30+4*50=1040