Sabinacazacask
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ulează:
a) (18 + 2 7): (12:2 +8:4)
b) 24 - 24:3 * (72 :9- 2 x 3): 4 x 5
c) 36: 6 + 4 x 2 x 5 – (20 – 12:3)
(d) 42:7 + (6 + 6):2-24 : (5 + 3)
e) (25 + 20): 5 – (19 + 5):8
f) 10 + (10 : 10 + 10) - (10 x 1 + 10)
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Răspuns :

Alinailiescu47ask

Răspuns:

a) (18+27):(12:2+8:4)=8

18 +27 =45

45:(12:2+8:4)=8

12:2+8:4=8

12:2=6

8:4=2

6+2=8

Răspuns:

[tex](18 + 14) \div (6 + 2) = 32 \div 8 = 4[/tex]

[tex]24 - 8 \times (8 - 6) \div 4 \times 5 = 24 - 8 \times 2 \div 4 \times 5 = 24 - 16 \div 4 \times 5 = 24 - 4 \times 5 = 24 - 20 = 4[/tex]

[tex]6 + 8 \times 5 - (20 - 4) = 6 + 40 - 16 = 46 - 16 = 30[/tex]

[tex]6 + 12 \div 2 - 24 \div 8 = 6 + 6 - 3 = 9[/tex]

[tex]45 \div 5 - 24 \div 8 = 9 - 3 = 6[/tex]

[tex]10 + (1 + 10) - (10 + 10) = 10 + 11 - 20 = 21 - 20 = 1[/tex]

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