0.64+7.24+4.36+2.76巧算
解题思路:不能进行简便运算的按顺序计算,简便运算核心是运用加法和乘法各种定律进行计算,计算出整数部分方便后续计算的过程
解题过程:
0.64+7.24+4.36+2.76
=0.64+4.36+(2.76+7.24)
=5+10
=15
存疑请追问,满意请采纳
亲,你好
0.64+7.24+4.36+2.76
=(0.64+4.36)+(7.24+2.76)
=5+10
=15
望采纳,谢谢
0.64+7.24+4.36+2.76
=(0.64+4.36)+(7.24+2.76)
=5+10
=15
=0.64+4.36+7.24+2.76=5+10=15请采纳