Question

7 Rezolva dupa model

(24:6)+(30:6)=(24+30):6=54:6=9
a) (25:5)+(15:5)=
(40:8)+(32:8)=

b) (42:7)+(14:7)=
(16:4)+(24:4)=

Answer 1

a)(25+15)÷5=40÷5=8
(40+32)÷8=72÷8=9
b)(42+14)÷7=56÷7=8
(16+24)÷4=40÷4=10

Answer 2

a)
( 25+15) : 5=40 : 5
= 8

(40+32):8 =72:8
=9
b)
(42+14):7=56:7
=8
(16+24):4=40:4
=10