巧算:6200/(5X31) 25X(40+8)X125 17X34+22X51
用简便方法计算16x(125X34+88X125)
巧算:『125x41』x8=?540x31÷270=?808x125=?
(17/25x3/50)x30/51x125如何简便运算
9分之8X=6分之1x51分之16 怎么算
急.求教数学题一道8x{76x125}=?递等式计算,如能巧算的话,就巧算,
小学四年级数学题简便方法(1)25X166X4(2)99X56+56(3)(80-8)X125(4)270*6*5
25x25,35x35,125x125.尾数带5的俩组数字相乘的最简单算法?
12.8X34.5+12.8X12.3+46.8X87.2=?
英语翻译Drawer cabinet12''X34(1/2)X24'' 60'' x 34½ x 24''
1240x3.5+124x51+1.24x1400用简便方法计算
1.45+32+54 2.546+785-146 3.25x49x4 4.8x(36x125) 5.0.7+3.9+4.
求问lingo大神!model:max=3*x11+9*x12-7*x21-x22-x31+5*x32-6*x41;0.