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| {{ 'ml-lesson-number-slides' | message : article.intro.bblockCount }} |
| {{ 'ml-lesson-number-exercises' | message : article.intro.exerciseCount }} |
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2 | ⋅ | 3 | = | 6 |
(−2) | ⋅ | (−3) | = | 6 |
2 | ⋅ | (−3) | = | −6 |
(−2) | ⋅ | 3 | = | −6 |