问题
选择题
用300千克的水稻碾米,碾出糠皮90千克.水稻的出米率是( )
|
答案
(300-90)÷300×100%,
=210÷300×100%,
=0.7×100%,
=70%.
答:水稻的出米率是70%.
故选:A.
用300千克的水稻碾米,碾出糠皮90千克.水稻的出米率是( )
|
(300-90)÷300×100%,
=210÷300×100%,
=0.7×100%,
=70%.
答:水稻的出米率是70%.
故选:A.