Question

A5 +30): 5
Rezolvă, după 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

Răspuns:

a) 5+3=8 =(25+15):5=40:5=8

5+4=9=(40+32):8=72:8=9

b)6+3=9=(42+14):7=56:7=8

4+6=10=(16+24):4=40:4=10

Answer 2

Răspuns:

.

Explicație pas cu pas:

a. (25:5)+(15:5)=

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

..........................................

(40:8)+(32:8)=

=(40+32):8=72:8=9

__________________

b. (42:7)+(14:7)=

=(42+14):7=56:7=8

..........................................

(16:4)+(24:4)=

=(16+24):4=40:4=10