152-2×15×7+72=?

1111004國八數學第一次段考

Quiz
•
Mathematics
•
8th Grade
•
Hard

LIU SIN MING
Used 1+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(15+7 ) ( 15+7 )
( 15+7 ) ( 15-7 )
( 15-7 ) ( 15-7 )
以上皆非
2.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
32.252-28.252=k,則k=?
245
244
243
242
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
55562-55552=?
1111
11111
11101
111101
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
7992=A+1,則A=?
( 799-1 ) 2
( 799+1 ) ( 799-1 )
799+1
799
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
8992=□+1,則□=?
(899+1 ) 2
( 899-1 ) 2
( 899+1 ) ( 899-1 )
90000
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
已知a=4.5,b=2.5,則a2-2ab+b2=?
2
4
8
16
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
9702=10002+302+Q,則Q=?
-60000
-30000
-2000
-60
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