(-79)÷2又1/4+4/9x(-29)

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(-79)÷2又1/4+4/9x(-29)(-79)÷2又1/4+4/9x(-29)(-79)÷2又1/4+4/9x(-29)=(-79)÷9/4+4/9×(-29)=(-79)×4/9+4/9×(-

(-79)÷2又1/4+4/9x(-29)
(-79)÷2又1/4+4/9x(-29)

(-79)÷2又1/4+4/9x(-29)
=(-79)÷9/4+4/9×(-29)=(-79)×4/9+4/9×(-29)=4/9×(-79-29)
=4/9×(-108)=-48

这是要干嘛

二200