1.怎样简便就怎样算：42×125 473+79-63 5×999+5+99×7+7+3×9+3+9 = = = = = = = = =42×125 473+79-63 5×999+5+99×7+7+3×9+3+9= = == = == = =

分类: 作业答案 • 2021-12-19 16:50:06

问题描述：

1.怎样简便就怎样算：42×125 473+79-63 5×999+5+99×7+7+3×9+3+9 = = = = = = = = =
42×125 473+79-63 5×999+5+99×7+7+3×9+3+9
= = =
= = =
= = =

答