Ответ:
а=18
1/3 ×1+20×0,6=18
б=243
(-9)^2×(√3)^2= 81×3=243
в=21
0,9×25-3/2=22,5-3/2=(45-3)/2=42/2=21
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Ответ:
а=18
1/3 ×1+20×0,6=18
б=243
(-9)^2×(√3)^2= 81×3=243
в=21
0,9×25-3/2=22,5-3/2=(45-3)/2=42/2=21