PDF chapter test TRY NOW
1. Convert into a tree diagram \(\{[(10 \times 5) + 6] \times [5 + (6 - 2)]\} \div [8 \times (4 + 2)]\).
The tree diagram is:
2. Convert into a tree diagram \(20 + [8 \times 2 + \{(6 \times 3) - 10 \div 5\}]\).
The tree diagram is:
Answer variants:
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