Question

vă rog imi trebuie până mâine​

Answer 1

(18:9+7)X5=4
(2+7)X5=45
9x5=45

B) 8:(4:2+6)x2=2
8:8x2=2
1x2=2

C)
5x(8:4+6)-2=38
5x(2+6)-2=38
5x8-2=38
40-2=38

D)
5x(8:4+6-2)=30
5x(2+6-2)=30
5x6=30

Sper ca te am ajutat

Answer 2

Răspuns:

a. 18 ÷ 9 + 7 × 5 = 45 -» (18 ÷ 9 + 7) × 5 = 45

Verificare: (18 ÷ 9 + 7) × 5 = (2 + 7) × 5 = 9 × 5 = 45

b. 8 ÷ 4 ÷ 2 + 6 × 2 = 2 -» 8 ÷ (4 ÷ 2 + 6) × 2 = 2

Verificare: 8 ÷ (4 ÷ 2 + 6) × 2 = 8 ÷ (2 + 6) × 2 = 8 ÷ 8 × 2 = 1 × 2 = 2

c. 5 × 8 ÷ 4 + 6 - 2 = 38 -» 5 × (8 ÷ 4 + 6) - 2 = 38

Verificare: 5 × (8 ÷ 4 + 6) - 2 = 5 × (2 + 6) - 2 = 5 × 8 - 2 = 40 - 2 = 38

d. 5 × 8 ÷ 4 + 6 - 2 = 30 -» 5 × (8 ÷ 4 + 6 - 2) = 30

Verificare: 5 × (8 ÷ 4 + 6 - 2) = 5 × (2 + 4) = 5 × 6 = 30

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