number one:1( )+1( )=1( )number two:2( ) +5( )=1( )在括号里填上合适的计量单位,使等式成立,如800(g)+200(g)=1(kg)

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numberone:1()+1()=1()numbertwo:2()+5()=1()在括号里填上合适的计量单位,使等式成立,如800(g)+200(g)=1(kg)numberone:1()+1()=

number one:1( )+1( )=1( )number two:2( ) +5( )=1( )在括号里填上合适的计量单位,使等式成立,如800(g)+200(g)=1(kg)
number one:1( )+1( )=1( )
number two:2( ) +5( )=1( )
在括号里填上合适的计量单位,使等式成立,如800(g)+200(g)=1(kg)

number one:1( )+1( )=1( )number two:2( ) +5( )=1( )在括号里填上合适的计量单位,使等式成立,如800(g)+200(g)=1(kg)
1(斤)+1(斤)=1(kg)
2(天)+5(天)=1(星期)

自己想

number one:1( ? )+1( ? )=1( ? )
number two:2( ? ) +5( ? )=1( ? )

什么意思啊?