列脱式计算1999除以3998又5998分之59976又5分之3乘3572+642.7乘66+1除以33分之五
问题描述:
列脱式计算
1999除以3998又5998分之5997
6又5分之3乘3572+642.7乘66+1除以33分之五
答
1.1999除以3998又5998分之5997
=1999×5998÷(3998×5998+5997)
=5998÷(2×5998+3)
=5998/11999.
2.6又5分之3乘3572+642.7乘66+1除以33分之五
=6.6×3572+6427×6.6+6.6
=6.6×(3572+6427+1)
=6.6×10000
=66000.