Ответы на вопрос:
4+2−2√−5⋅2+1+2−2√=64x+x2−2−5⋅2x+1+x2−2=6 (22)+2−2√−5⋅2+2−2√⋅2=6(22)x+x2−2−5⋅2x+x2−2⋅2=6 (2+2−2√)2−10⋅2+2−2√=6(2x+x2−2)2−10⋅2x+x2−2=6 2−10=6t2−10t=6 =5+31̅√=5−31̅√t=5+31t=5−31 2+2
468+254-5*(28+106)=52 1. 28+106=134 2. 134*5=670 3. 468+254=722 4. 722-670=52
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