easy

Question 1 / 9

1+1

I don't know

expert

Question 2 / 9

3×7

I don't know

medium

Question 3 / 9

-15+3

-21

-12

I don't know

expert

Question 4 / 9

Anna goes to a shop and buys 5 books. Her friend gives her 3 other books. Her enemies takes 4 of them. She realises what they did so she asks someone for some books. He gives her the amount of books divided by 2 and added 8 books. A stranger steals half of her books. She finally heads home but looses 2 books on the way. How many books are left

I don't know

medium

Question 5 / 9

30÷6

I don't know

medium

Question 6 / 9

In the expression "(3+5×2)×9", wich one do you calculate first ?

3+5

5×2

2×9

I don't know

medium

Question 7 / 9

What is 80% of 10?

100

I don't know

medium

Question 8 / 9

If Luca gains 50€ in 1h, how much will she gain in 5h ?

200

500

250

I don't know

expert

Question 9 / 9

(70-34)÷1×2+10y+5×y
Simplify as much as possible

70-34+15×x

28+15x

5x+20

I don't know

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1^st	Lois08Master	89% (87s)
2^nd	P.Louis	89% (115s)
3^rd	Minerva-McGonagall	78% (46s)
4^th	Kenza124	56% (58s)

Quiz Math

1+1

3×7

-15+3

30÷6

In the expression "(3+5×2)×9", wich one do you calculate first ?

What is 80% of 10?

If Luca gains 50€ in 1h, how much will she gain in 5h ?

(70-34)÷1×2+10y+5×y
Simplify as much as possible

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1+1

3×7

-15+3

30÷6

In the expression "(3+5×2)×9", wich one do you calculate first ?

What is 80% of 10?

If Luca gains 50€ in 1h, how much will she gain in 5h ?

(70-34)÷1×2+10y+5×y Simplify as much as possible

(70-34)÷1×2+10y+5×y
Simplify as much as possible