Тождественные преобразования выражений, 6 класс
Quiz
•
Mathematics
•
6th Grade
•
Practice Problem
•
Hard
Елена Макарова
Used 445+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Замените тождественно равным выражением без скобок выражение:
3 + (х + у) + t
3+x+y+t
3x+y+t
3+xy+t
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Замените тождественно равным выражением без скобок выражение:
4 + a - (b + c)
4+a-b+c
4+a-b-c
4+a+b-c
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Замените тождественно равным выражением без скобок выражение:
n - (4 - m + d)
n-m-d-4
n-4-m+d
n+m-d-4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Замените тождественно равным выражением без скобок выражение:
- (8 +z) + (s - k)
-8-z+s-k
-8+z+s-k
s-k-8+z
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Замените тождественно равным выражением без скобок и упростите выражение:
10 - (x - 20) + 8x
9x+30
8x - 10
7x+30
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Замените тождественно равным выражением без скобок и упростите выражение:
- (15 + 4y) + (2y - 17)
-2y-32
2y-15
-2y-2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Замените тождественно равным выражением без скобок и упростите выражение:
9a - (21 - 8a) + 18
a-3
17a-3
a+3
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