Question

Va rog!!!!!!
Ex. 53 si 54

Coroana+puncte+inima+stele

Multumesc!!!!!
:3 :) :D
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Answer 1

Răspuns:

am sa fac 53 si 54 ,cu placere

Explicație pas cu pas:

53)24÷8=3;3×8=24;24÷3=8

54)a.(20+28)÷4=48÷4=12

(25+25)÷5=50÷5=10

(75+25)÷5=100÷5=20

(28+35)÷7=63÷7=9

b. (75-60)÷5=15÷5=3

(24-16)÷8=8÷8=1

(54-36)÷9=18÷9=2

(70-49)÷7=21÷7=3

c. (12+18+30)÷3=30+30÷3=60÷3=20

(24+16+40)÷4=40+40÷4=80÷4=20

(36+18+54)÷6=54+54÷6=108÷6=18

(48+56-16)÷8=88÷8=11

Answer 2

Răspuns:

24:8=3

24:3=8

3×8=24

8×3=24

72:9=8

72:8=9

9×8=72

8×9=72

60:10=6

60:6=10

10×6=60

6×10=60

54) (28+20):4=48 :4=12

(20+28):4=48:4=12

(25+25):5=50:5=10

(75+25):5=100:5=20

(28+35):7=63:7=9

b)

(75-60):5=15:5=3

(24-16):8=8:8=1

(54-36):9=18:9=2

(70-49):7=21:7=3

c)

(12+18+30):3=60:3=20

(24+16+40):4=80:4=20

(36+18+54):6=108:6=18