Question

Calculează după model
Ex 5 pls

Answer 1

Răspuns:

a. 3•567+3•83=

3•(567+83)=

3•650=1950

b. 7•953-7•345

7•(953-345)

7•608= 4256

c. 9•386+9•423+9•191

9•(386+423+191)

9•(386+614)

9•1000=9000

Answer 2

a)3 x 367+3 x 83 = 3 x (567+83)=3 x 650=1.950

b) 7 x 953-7 x 345=7 x (953-345)=7 x 608=4.256

c) 9 x 386 +9 x 423 +9 x 191= 9 x (386+423+191)=9 x 1000=9000