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数学小测试12-6

Authored by iris w

Computers

5th Grade

Used 2+ times

数学小测试12-6
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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

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

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

ab

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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