77×13+255×999+510
77X13+255X999+510=?过程,简便算法 -
77X13+255X999+510 =1001+255*999+255*2 =1001+255*(999+2)=1001+255*1001 =1001*(1+255)=1001*256 =1000*256+256 =256256
=1001+254745+510，255746+510，256256．
77X13+255X999+510 =1001+255*999+255*2 =1001+255*(999+2)=1001+255*1001 =1001*(1+255)=1001*256 =1000*256+256 =256256
=1001+254745+510，255746+510，256256．
11X7X13+(255X1000-255)+510 (10+1)X51+255000-255+510 510+51+255000-255+510=255816
=77*13+255*999+255*2 =11*7*13+255*(999+2)=11*91+255*1001 =1001+255*1001 =1001*(1+255)=(1000+1)*256 =256000+256 =256256
77X13十255X999十510简便方法如何计算? -
77×13＋255×999＋510 =11×7×13+255×1000-255+510 =11×91+255000-255 =1001+255000-255 =255000+746 =255746
=77×13+51×5×999+51×5×2 =77×13+51×5×（999+2）1001+51×5×1001 =1001×（1+51×5）1001×256 =256256
77乘13加255乘999加510怎么算 -
77×13+255×999+510 =77×（10+3）255×999+255×2 =77×10+77×3+255×（999+2）770+231+255×（1000+1）770+231+255×1000+255×1 =1001+255000+255 =256256
77*13+255*999+510 =77*11+77*2+255*999+255*2 =77*11+154+255*1001 =77*11+154+255*(1000+1)=77*11+154+255*1000+255*1 =847+154+255000+255 =1256+255000=256256
77×13+255×999+510=?(能简算要简算) -
77×13＋255×999＋510=77*(10+3)+255*(1000-1)+510 =770+77*3+255000-255+510 =770+213+255000-255+510=256238
77x13+255x999+510 =1001+255×999+255×2 =1001+255×（999+2） =1001+255×1001 =1001×（1+255） =1001×256 =1000×256+