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1x 1 + 2 x 2 = 2 x 3 x 5 ----------- 6 1 x 1 + 2 x 2 + 3 x 3 = 3 x 4 x 7 ----------- 6 1 x 1 + 2 x 2 + 3 x 3 + 4 x 4 = 4 x 5 x 9 ------------ 6 By observing the above pattern, write next |
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Answer» 1×1+2×2+3×3+4×4+5×5=5×6×11--------------6 |
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