Question

efectueaza folosind factorul comun:
a)1052×5-22×5+70×5=

b)95×11-95+90×95=

c)2018×106-2018×7+2018=

d)78×83+83×12-89×83=

e)521×27+199×27-27×25+305×27=
va rog mult dau coroana​

Answer 1

Răspuns:

a) 5×(1052-22+70)= 5×1100

=5500

Answer 2

Răspuns:

A) 5535

B) 9595

C) 199782

D) 83

E) 28350

Explicație pas cu pas:

A)1052*5-22*5+70*5=

5*(1052-22+70)

5*1100=5500

B)95*11-95+90*95=

95*(11+90)=

95*101=9595

C)2018*106-2018*7+2018=

2018*(106-7)=

2018*99=199782

D)78*83+83*12-89*83=

83*(78+12-89)=

83*1=83

E)521*27+199*27-27*25+305*27=

27*(521+199+25+305)=

27*1050=28350