Question

efectuati :a)3757×26+3757×75-3757. b)4756×34-4756+4756×67. c)2432×17-2432×16-2432(folosind factorul comun)

Answer 1

a)3757×26+3757×75-3757

3757(26+1×75-1)

3757(26+75-1)

3757(101-1)

3757×100

375700

4756×34-4756+4756×67

4756(34-1+1×67)

4756(34-1+67)

3756(33+67)

3756×100

375600

2432×17-2432×16-2432

2432(17-1×16-1)

2432(17-16-1)

2432(1-1)

2432×0

0