Вычисли.1251•(4•5),2452•(2•5),96 300:(3•3),9810:(3•30),5•3142•4,21 032•5•6,15•2•12013,3021•(2•5)
1251•(4•5)=1251•20=25020 2452•(2•5)=2452•10=24520 96300:(3•3)=96300:1=96300 9810:(3•30)=9810:90=109 5•3142•4,21032•5•6,15•2•12013,3021•(2•5)= =488684770049,57