早教吧作业答案频道 -->数学-->
(-47/9)-(-31/6)-(+22/9)+(-61/6)省略括号的代数和,并算出计算结果
题目详情
(-4 7/9)-(-3 1/6)-(+2 2/9)+(-6 1/6)省略括号的代数和,并算出计算结果
▼优质解答
答案和解析
(-4 7/9)-(-3 1/6)-(+2 2/9)+(-6 1/6)
=-4 7/9+3 1/6-2 2/9-6 1/6
=(-4 7/9-2 2/9)+(3 1/6-6 1/6)
=-7-3
=-10
=-4 7/9+3 1/6-2 2/9-6 1/6
=(-4 7/9-2 2/9)+(3 1/6-6 1/6)
=-7-3
=-10
看了 (-47/9)-(-31/6...的网友还看了以下: