
数学小测试12-6
Authored by iris w
Computers
5th Grade
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4x和( )不相等。
4+x
4×x
x+x+x+x
4+4+4…+4(有x个4)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
芳芳今年b岁,姐姐比芳芳大4岁,3年后,姐姐( )岁。
b+7
b+4
b+3
7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
和3x+4=10的解相等的是( )
x﹣9=2
4x+2=10
3x+4=4
10﹣2x=4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列式子中,( )是错误的。
m+m+m=3m
a÷3.5+b÷3.5=
(a+b)÷3.5
4.5x+3.2x=7.7x
3×a×b+b=3ab2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
妈妈今年a岁,比小华大b岁,再过C年后,他们岁数相差( )岁。
a
b
(a﹣b)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
商店运进一批大米,卖了80袋,剩下的袋数是卖了的1.5倍。运进的这批大米一共多少袋?如果设这批大米一共为x袋,则下列方程正确的是( )
x﹣80×1.5=80
1.5x=80
x+80=80×1.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
结果最小的是( )。(Y表示非零自然数)
Y÷28
Y+18
Y×28
Y×18
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