Răspuns :
a) 18 x (54+46)
= 18 x 100
=1800
b) (8527-5237) x 6435
3290 x 6435
= 21.171.150
c) (378 +122 + 500) x297
=900 x 297
=267.300
Cuplacere
Răspuns:
Explicație pas cu pas:
I. 18x(54+46)=18x100=1800
II. 18x54+18x46=972+828=1800
I. (8527-5237)x6435=3290x 6435=21 171 150
II. (8527-5237)x6435=8527x6435-5237x6435=54871245-33700095=
21171150
(378+122+500)x297=1000x297=297000
( 378+122+500)x297=378x297+122x297+500x297=297000