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1). 82). 23). 14). 6 |
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Answer» (15 × 0.40)4 ÷ (1080 ÷ 30)4 × (27 × 8)4 = (3 × 2)?+6 $(\RIGHTARROW {\left( {15 \times \frac{4}{{10}}} \right)^4} \div {\left( {\frac{{1080}}{{30}}} \right)^4} \times {\left( {27 \times 8} \right)^4} = {6^{? + 6}})$ ⇒ 64 ÷ 364 × 274 × 84 = 6? + 6 $(\Rightarrow {\left( {\frac{{6 \times 27 \times 8}}{{36}}} \right)^4} = {6^{? + 6}})$ ⇒ 364 = 6?+6 ⇒ 68 = 6?+6 ⇒ 8 = ? + 6 ⇒ ? = 2 |
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