Pls solve these:
1. (1²+2²-3²)×(⅔)³÷(¼)²
2. (2‾¹÷5‾¹)²×(¯⅝)¯¹
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Answer:
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Answered by
1
Answer:
Step-by-step explanation:
1)(1² + 2²- 3²) × (⅔)³ ÷ (¼)²
= (1+4-9) × (⅔×⅔×⅔) ÷ (¼×¼)
= -4 × 8/27 ÷ 1/16
= -4×128/27
= -512/27
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