Основные математические понятия в английском языке. Прокошева И.И. - 11 стр.

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ОГУ | Оренбург

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Рубрика: 

• reduce a fraction to its lowest terms:
12
8
• find the sum of two unlike fractions:
4
3
3
2
+
• find the product of two fractions:
12
5
5
3
×
• convert an improper fraction into a mixed number:
9
9
8
24
÷
• find quotient of two fractions :
2
12
*
6
45
3.1.4. Match the columns:
1 123/123 a. A proper fractions
2 23/9 b. a mixed fractions
3 1/8 c. Braces
4
5
2
2
d. An improper fractions
5 = e. Less than
6
{}
f. a mixed fractions
7 < g. is equal to, or: does not equal
8
Θ
h. Infinity
9
∞
i. Because
3.1.5. Read these operations:
•
b
a
b
a
=
5
5
•
2*2
1*22*1
2
1
2
1
±
=±
•
b
a
b
a
6
6
=
•
5*7
3*3
5
3
7
3
=×
•
7*5
5*7
5
7
/
5
7
=
•
3
2
1
3
5
2
1
*
6
5
==
3.1.6. Write these operations:
• a over b, this fraction followed by plus or minus c over d equals ad plus or
minus bc this sum or difference over bd
• a over b, this fraction divided by c over d equals ad over bc
• ar over br equals a over b
• Five sixths divided by a half equals one and two thirds
• a over b, this fraction multiplied by c over d equals ac over bd
• a over b equals 2a over 3b
11
                                               8
       • reduce a fraction to its lowest terms:
                                              12
                                              2 3
       • find the sum of two unlike fractions: +
                                              3 4
                                           3 5
       • find the product of two fractions: ×
                                           5 12
                                                                24 9
       • convert an improper fraction into a mixed number:        ÷
                                                                8 9
                                            45 12
       • find quotient of two fractions :     *
                                            6 2

3.1.4. Match the columns:
1     123/123                     a.            A proper fractions
2     23/9                        b.             a mixed fractions
3     1/8                         c.                  Braces
4      2
         2                        d.           An improper fractions
           5
5     =                            e.                  Less than
6     {}                           f.             a mixed fractions
7     <                            g.       is equal to, or: does not equal
8     Θ                            h.                   Infinity
9     ∞                           i.                   Because

3.1.5. Read these operations:
               5a a
       •           =
               5b b
               1 1 1 * 2 ± 2 *1
       •         ± =
               2 2     2*2
               a 6a
       •          =
               b 6b
               3 3 3*3
       •        × =
               7 5 7*5
               7 7 7 *5
       •         / =
               5 5 5*7
               5 1 5     2
       •        * = =1
               6 2 3     3

    3.1.6. Write these operations:
       • a over b, this fraction followed by plus or minus c over d equals ad plus or
           minus bc this sum or difference over bd
       • a over b, this fraction divided by c over d equals ad over bc
       • ar over br equals a over b
       • Five sixths divided by a half equals one and two thirds
       • a over b, this fraction multiplied by c over d equals ac over bd
       • a over b equals 2a over 3b
                                                                                    11

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