英语中的数学表达
1. 大数目与小数
524，000 five hundred and twenty-four thousand
twelve million
four hundred eighty-nine million（100万）
forty-eight billion 12，000，000 489，000，000 48，000，000，000
523，000，000，000，000 five hundred twenty-three trillion (兆)
3.67
0.394
2. 分数fraction(分子numerator is 基数词cardinal number，分母denominator is 序数词ordinal number)
1/5
3/7
½
¼
¾
one-fifth/ a fifth three-sevenths one half / a half one-fourth / a fourth、one quarter/ a quarter three quarters seven and three-eighths three point six seven / three and sixty-seven hundredths zero point three nine four / point three nine four 7and3/8
315/1754
three hundred fifteen over one thousand seven hundred fifty-four
3. 加法addition 与减法subtraction
3+5=8
9-3=6 three plus five equals (makes，is) eight nine minus three equals six.
nine take away three is six.
three from nine is six.
398-241=157 three hundred ninety-eight minus two hundred forty-one equals one hundred fifty-seven.
出现负数 （it come out negative!)
4-5.6=-1.6
four minus five point six equals negative (minus) one point six.
4. 乘法multiplication 与除法division 6x7=42
six multiplied by seven equals forty-two six times seven equals(is) forty-two fifteen divided by three is five
two-sevenths divided by two-thirds is three-sevenths. 15÷3=5 2/7 ÷ 2/3=3/7
出现余数 (there’s a remainder!) 10÷3=3r1
ten divided by three is three with a remainder of one.
英语中的数学表达
1. 大数目与小数
524，000 five hundred and twenty-four thousand
twelve million
four hundred eighty-nine million（100万）
forty-eight billion 12，000，000 489，000，000 48，000，000，000
523，000，000，000，000 five hundred twenty-three trillion (兆)
3.67
0.394
2. 分数fraction(分子numerator is 基数词cardinal number，分母denominator is 序数词ordinal number)
1/5
3/7
½
¼
¾
one-fifth/ a fifth three-sevenths one half / a half one-fourth / a fourth、one quarter/ a quarter three quarters seven and three-eighths three point six seven / three and sixty-seven hundredths zero point three nine four / point three nine four 7and3/8
315/1754
three hundred fifteen over one thousand seven hundred fifty-four
3. 加法addition 与减法subtraction
3+5=8
9-3=6 three plus five equals (makes，is) eight nine minus three equals six.
nine take away three is six.
three from nine is six.
398-241=157 three hundred ninety-eight minus two hundred forty-one equals one hundred fifty-seven.
出现负数 （it come out negative!)
4-5.6=-1.6
four minus five point six equals negative (minus) one point six.
4. 乘法multiplication 与除法division 6x7=42
six multiplied by seven equals forty-two six times seven equals(is) forty-two fifteen divided by three is five
two-sevenths divided by two-thirds is three-sevenths. 15÷3=5 2/7 ÷ 2/3=3/7
出现余数 (there’s a remainder!) 10÷3=3r1
ten divided by three is three with a remainder of one.