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ann4687

Ответ:

1.а) (125 * 8 )* 835 = 835 000

б) (4*25)* 8.32= 832

в) 9*25+9*250= 2475

г) 5*70-5*2= 340

д)7*80-7*2 = 546

е) 856 * (800+200) = 856000

ж) 8*(11+29) = 320

з) 325*(189+812)= 325325

2. а) 7(m+c)

б) а(b + 2)

в) а(b+1)

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