3.6×25.4+37.9×6.4

来源：学生作业帮编辑：神马作文网作业帮分类：数学作业时间：2024/11/18 19:09:33

3.6×25.4+37.9×6.4
这是一道奥数题
用乘法分配率

3.6×25.4+37.9×6.4
=3.6×25.4+(25.4+12.5)×6.4
=3.6×25.4+25.4×6.4+12.5×6.4
=3.6×25.4+25.4×6.4+12.5×8×0.8
=25.4×(3.6+6.4)+100×0.8
=254+80
=334

3.8*25.4+37.9*6.4(简算） 32.8×6.4＋1.4×25.4＋58.2×3.6简便计算 3.6+6.4-3.6+6.4怎么简便运算 3.6×1994.4+2006.9×6.4 3.6×31.4+43.9×6.4巧算 6.4*4.5+3.6*45 简算 3.6×31.4+43.9×6.4．巧算:3.6×2.36+3.61×6.4 6.4×0.25+3.6÷4简便算法 3.35×6.4×2+6.7×3.6【简算】, 6.4x-3.5=3.6x+2.1 6.4乘0.25加3.6除以4