3.6×31.4+43.9×6.4．

3.6×31.4+43.9×6.4． 3.6×31.4+43.9×6.4巧算 0.75*15+4.5*2.5 3.6*31.4+43.9*6.4 简便计算 哪个人会简便计算?3.6×31.4+43.9×6.4 0.75×15+4.5×2.5 3.6×31.4+43.9×6.4 的简便运算 3.6+6.4-3.6+6.4怎么简便运算 3.6×1994.4+2006.9×6.4 简算题3.6×31+4/5+43.9×6+2.5 6.4*4.5+3.6*45 简算 巧算:3.6×2.36+3.61×6.4 3.6乘31又5分之2+43.9乘6又5分之2+6 3.6乘31又5分之2+43.9乘6又5分之2