1题、76x24＋36 2题11x48-48 3题9x48+48 4题67x101+675题204x 6+204

1题、76x24＋36 2题11x48-48 3题9x48+48 4题67x101+675题204x 6+204 76x48十76x51十76这个题怎样简便 ( 3分之2+6分之1)x24, 36X48十72X26 (-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)用简便方法计算 lingo问题求纠正.min 6x11+2x12+6x13+7x14+4x15+2x16+5x17+9x18+4x21+9x22+5x23+3x24+8x25+5x26+8x27+2x28+5x31+2x32+1x33+9x34+7x35+4x36+3x37+5x38+7x41+6x42+7x43+3x44+9x45+2x46+7x47+1x48+2x51+3x52+9x53+5x54+7x55+2x56+6x57+5x58+5x61+5x62+2x63+2x64+8x65+ 求教数学题,递等式计算『列式计算』600-25x20+30=?140+325÷5-58=?36x48-987÷47=?75+92÷23x26=?960-161x5÷7=?135÷27+2211÷33=?巧算递等式75x75+3x25x25=?{100-25}x4=？632x75+632+632x24=? 一题分数方程和四道分数简算.简算 :7/10x48+48x3/10 24x(5/12-1/24) (20+4/5)除4/512x(1/4+1/6-1/3) 方程:2x-4/3=1/2 72x26+36x48一一用简便方法算 用简便方法计算72x26+36x48 简便计算72X26十36X48(要过程)急! 36x48+72x26 写出简算过程 提问36x48+72x26的简便算法 简便计算：38.9^2-77.8x48.9+48.9^2= 9(m+n)^2-24(m+n)+16求过程25x^n-10^n+1+x^n+2(x^2+9)^2-36x24(x-2)^2-9(x+1)^2（x-2y）^2-(x+2y)^2能帮的都帮一下吧,因式分解类型题不会啊、第二个是(x^2+9)^2-36^2 1x2/1+2x3/1+3x4/1+4x5/1+...23x24/1 (24分之5+1又12分之1-1又2分之1)x24 5/9÷1/3-2/9÷1/3 (1/4+5/6)X24/25