If the problem says "less than 10," then 10 itself is not included. Master the symbols: Remember that ∈is an element of means "belongs to" (for elements) and ⊂is a subset of means "is a subset of" (for groups).
You can find step-by-step video tutorials for these specific pages on YouTube or check comprehensive answer keys on Loigiaihay . BГ i 2 trang 7 SГЎch bГ i tбєp ToГЎn 6
For schools using the Kết nối tri thức series , page 7 usually falls under . The Focus: These exercises typically ask students to: If the problem says "less than 10," then