1 + 14×3+14×32+14×32=?1 + 14×3+14×32+14×32=?{\text{1 + }}\frac{1}{{4 \times 3}} + \frac{1}{{4 \times {3^2}}} + \frac{1}{{4 \times {3^2}}} = ?" /> 1 + 14×3+14×32+14×32=?1 + 14×3+14×32+14×32=?{\text{1 + }}\frac{1}{{4 \times 3}} + \frac{1}{{4 \times {3^2}}} + \frac{1}{{4 \times {3^2}}} = ?" /> 1 + 14×3+14×32+14×32=?1 + 14×3+14×32+14×32=?{\text{1 + }}\frac{1}{{4 \times 3}} + \frac{1}{{4 \times {3^2}}} + \frac{1}{{4 \times {3^2}}} = ?" />
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