Ответ:
1 0,2t^2 + 2 × 0,2t × 1,6s + 1,6s^2==
0,04t + 0,64 ts + 2,56
2 25m^2 - 60mn + 36n^2 ==
( 5m - 6n ) ( 5m + 6n)
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Ответ:
1 0,2t^2 + 2 × 0,2t × 1,6s + 1,6s^2==
0,04t + 0,64 ts + 2,56
2 25m^2 - 60mn + 36n^2 ==
( 5m - 6n ) ( 5m + 6n)