7.32×4.8+0.52×73.2
=7.32×4.8+5.2×7.32
=7.32*(4.8+5.2)
=7.32*10
=73.2
4/5÷[5/8—1/2)÷5/8]
=4/5*5/8÷(5/8—1/2)
=1/2÷1/8
=4
2007÷2007 2007/2008 约分
=2007÷(2007 +2007/2008)
=1÷(1+1/2008)
=2008/2009
7.32×4.8+0.52×73.2
=7.32×4.8+5.2×7.32
=7.32*(4.8+5.2)
=7.32*10
=73.2
4/5÷[5/8—1/2)÷5/8]
=4/5*5/8÷(5/8—1/2)
=1/2÷1/8
=4
2007÷2007 2007/2008 约分
=2007÷(2007 +2007/2008)
=1÷(1+1/2008)
=2008/2009