Question

completează casetele cu semnele + ,-,× ,÷a) 8 casuta 8casuta 8casuta 8casuta 8 =10 pentru a obtine egalitate scrie rezolvarea an fiecare caz 8casuta 8 casuta 8casuta 8 casuta 8 =7 . b ) 10casuta 10casuta10casuta10casuta 10=10 10casuta 10casuta 10casuta 10casuta 10 =9

Answer 1

Răspuns

Explicație pas cu pas:

a)  

8 + 8 : 8 + 8 : 8 = 10

= 8 + 1 + 1 =

= 10

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8 + 8 - 8 - 8 : 8 = 7

= 16 - 8 - 1 =

= 8 - 1 =

= 7

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b)

10 × 10 : 10 + 10 - 10 = 10

= 100 : 10 + 10 - 10 =

= 10 + 10 - 10 =

= 20 - 10 =

= 10

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10 × 10 : 10 - 10 : 10 = 9

= 100 : 10 - 1 =

= 10 - 1 =

= 9

Answer 2

a)8+8:8+8÷8=10
8+8-8-8÷8=7
b)10×10÷10×10÷10=10ori
10÷10×10+10−10=10
10×10:10-10:10=9