3.6×2.4+36×0.76 简便计算RT还有17/18-11/27-5/18-7/271999+999×999

分类: 作业答案 • 2022-04-17 23:19:39

问题描述：

3.6×2.4+36×0.76 简便计算
RT
还有17/18-11/27-5/18-7/27
1999+999×999

答

3.6×2.4+36×0.76=3.6×2.4+3.6×7.6=3.6×(2.4+7.6)=3.6×10=36

答

3.6×2.4+36×0.76
=36*0.24+36*0.76
=36*（0.24+0.76）
=36*1
=36

答

3.6*(2.4+7.6)=36

答

3.6*（2.4+7.6）=3.6*10=36

答

3.6*2.4+3.6*10*0.76
=3.6*2.4+3.6*7.6
=3.6*(2.4+7.6)
=3.6*10
=36