30+20=50英文怎么写
问题描述：
30+20=50英文怎么写
40+2=42.50-20=30.19-8=11.54-6=48用英文怎么写
答
Thirty and twenty is/ equalsfifty .
Thirty plustwenty is/ equalsfifty .
Forty and two is forty-two.
Fifty minus twenty is thirty.
Nineteen minus eight is eleven .
Fifty-four minus six is forty-eight .
(注：is可用equals 代替）