⑵ 2014 2013
⑶ 水稻
⑷ 水稻 (650-480)÷480
=170÷480
≈35.4%
小麦 (400-380)÷400
=20÷400
=5%
⑵ 2014 2013
⑶ 水稻
⑷ 水稻 (650-480)÷480
=170÷480
≈35.4%
小麦 (400-380)÷400
=20÷400
=5%