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
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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30+20=50英文怎么写40+2=42.50-20=30.19-8=11.54-6=48用英文怎
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
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
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
Thirty and twenty is/ equals fifty .
Thirty plus twenty is/ equals fifty .
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）
thirty and twenty is fifty
Thirty and twenty is fifty