Раскройте скобки : -5(2x - 3y - 8)

раскрытие скобок, приведение подобных

Quiz
•
Mathematics
•
6th Grade
•
Medium
Настя Калачева
Used 2+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
10x + 15y + 8
-10x + 15y + 40
-10x + 8y - 13
10x - 15y + 40
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Приведите подобные слагаемые : -5a + 7a -9a - 7a
-14a
0
-18a
-4a
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Приведите подобные слагаемые: 0,8k + 17,5b - 1,2k - 0,5b
-2k - 17b
-2k + 17b
0,4k + 17b
-0,4k + 17b
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Раскройте скобки: -0,2a(b + 5x - 7)
-0,2ab - ax + 1,4
-0,2b - ax + 1,4a
-0,2ab - a + 1,4a
-0,2ab - ax + 1,4a
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Раскройте скобки: - (0,7x - 1,4y + 12)
- 0,7x - 1,4y + 12
- 0,7x + 1,4y + 12
- 0,7x +1,4y - 12
0,7x - 1,4y - 12
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Упростить: -(-x + 2y - 0,7) + (-x + 1,7 - y)
-3y + 2,4
-3y + 1
-2x - 3y + 1
2x - 3y + 1
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