Числената стойност на израза
-7 +3 - 8 + 11 е:
МАТЕМАТИКА - 6. КЛАС - ВТОРИ СРОК - ТЕСТ №1
Quiz
•
Mathematics
•
6th Grade
•
Hard
Galina Kostadinova
Used 15+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Числената стойност на израза
-7 +3 - 8 + 11 е:
1
-1
-7
7
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Стойността на израза
A = ( 1 - 1/2 ) : ( 1 + 1/2 ) - ( -2 )3 е:
-5 2/3
-7 2/3
6 1/3
8 1/3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Произведението
( -84 : 4 + 7 . 3 ) . ( - 105 : 5 + 8 . 3 )
е равно на:
-126
0
8
126
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ако x = - 2, то
A = 5 . I x + 1 I - 2 . I 3 - x I - 4 : I -x I е:
-3
-17
-7
13
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
НЕ Е ВЯРНО равенството:
( 215 : 27 + 28 ) : 25 =
( -2 )4
( 37 + 33 ) : 33 =
( -3 )4 + ( -1 )4
( 56 - 54 ) : 54 =
23 + 42
( 715 - 713 ) : 713 =
3 . 25
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Числената стойност на израза
A = 25 . (-x4)6 / (-2x5)4 за x = 1/2 е:
-1/8
1/8
1/16
-1/16
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ако 42 : x - 3 = 6 . (-2) + 5 , то 2x - 5 е:
-3
-6
-1
-26
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