巧算:3.6×2.36+3.61×6.4

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/11 18:39:17

3.6×2.36+3.61×6.4
=3.6×2.36+(2.36+1.25)×6.4
=3.6×2.36+2.36×6.4+1.25×6.4
=2.36×(3.6+6.4)+5/4×6.4
=2.36×10+5×1.6
=23.6+8
=31.6

巧算:3.6×2.36+3.61×6.4 3.6×31.4+43.9×6.4巧算 3.6+6.4-3.6+6.4怎么简便运算巧算:37.5*1.2+12.5*6.4 巧算24点6.4.2.9 3.6×1994.4+2006.9×6.4 0.72*3.6+7.2*0.63巧算! 6.4*4.5+3.6*45 简算 3.6×31.4+43.9×6.4．巧算3.6×11.1＋1.2×66.7 2.71×7.4+27.1×3.6-2.71 巧算, 6.4×0.25+3.6÷4简便算法