(23)2+(13)2=, 788, 698, 678, 668, area of square whose side length 24cm ?, 576, 666, 586, 588, 8.4+1.3+4.2=, 1.39, 13.9, 12.9, 139, (15)2+(234×9)=, 2341, 2356, 2331, 2433, 10×10×10×10×10=, 1000, 104, 105, 1oooo.

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