{{ stepNode.name }}
| {{ 'ml-lesson-number-slides' | message : article.introSlideInfo.bblockCount}} |
| {{ 'ml-lesson-number-exercises' | message : article.introSlideInfo.exerciseCount}} |
| {{ 'ml-lesson-time-estimation' | message }} |
5+(+3)=5+3 | 5−(+3)=5−3 | |
5+(-3)=5−3 | 5−(-3)=5+3 |