Question

4*3.8+6.5*4.4+2.7*5.4简便计算

Answer 1

问：4*3.8+6.5*4.4+2.7*5.4简便计算

答：5.4×3.8-6.5×4.4+2.7×5.4=5.4×（3.8+2.7）-6.5×4.4=5.4×6.5-6.5×4.4=6.5×（5.4-4.4）=6.5×1=6.5

答：所以，亲！结合老师上面的解答，您的题目所抄有误啊！不然您的原题是不能简便计算的哦！

答：或者4.4×3.8+6.5×4.4+2.7×4.4=4.4×（3.8+6.5）+2.7×4.4=4.4×（10.3+2.7）=4.4×13=57.2