Привет всем. Помогите решить пожалуйста. Сравни, не вычисляя . 1) 789*(a +b)= 789: (a+b) 2) c:(901*10)=с: (901+10) 3) a* (456-456)+99=a*1+999 4)0*(100000-987)+5=0*(10000-11)+9
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