Question

Efectuează calculele folosind ambele procedee de lucru(25+15)÷5 , (32+16)÷8 ,(18+36):6 ,(16+20)÷4 ,(21+14):7 ,(40+30):10

Answer 1

(25+15)÷5=40÷5=8
25÷5+15÷5=5+3=8
(32+16)÷8=48÷8=6
32÷8+16÷8=4+2=6
(18+36)÷6=54÷6=9
18÷6+36÷6=3+6=9
(16+20)÷4=36÷4=9
16÷4+20÷4=4+5=9
(21+14)÷7=35÷7=5
21÷7+14÷7=3+2=5
(40+30)÷10=70÷10=7
40÷10+30÷10=4+3=7