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Добуток різниці та суми двох виразів

Authored by Катерина Холопкіна

Mathematics

7th Grade

Used 5+ times

Добуток різниці та суми двох виразів
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(х - 5)( х + 5) =

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(4х + 7у)(4х - 7у) =

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(3а + 2)(2 -3а) =

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5 - b3)(a5 + b3) =

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(10 + ab)(10 - ab) =

100 - a2b2

a2b2 - 100

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

0,25а2 - 0,4b2

2,5а2 - 0,4b2

0,25а2 + 0,04b2

0,25а2 - 0,04b2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(5a2 + 3b)(5a2 - 3b) =

25a4 - 9b2

25a4 + 9b2

10a4 - 6b2

15a4 - 15b2

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