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1. Calculează respectând ordinea efectuării operaţiilor.
(69 + 3): 3 +8.4.0 =
550 : 10:11 x (48:3-24 : 12) =
135 + 75 : 25 - (90 - 30): 30 =
2 x [307 - 84: (9-5)]- 3 =
obtine propozitii adevărate.​

Răspuns :

Carolinafratescuid

Răspuns:

550:10:11×(48:3-24:12)=70

1)550:10=55

2)55:11=5

3)48:3=16

4)24:12=2

5)16-2=14

5×14=70

135+75:25-(90-30):30=136

1)75:25=3

2)90-30=60

3)60:30=2

4)3-2=1

5)135+1=136

2×[307-84:(9-5)]-3=569

1)9-5=4

2)84:4=21

3)307-21=286

4)286×2=572

5)572-3=569

Crys157724id

( 69 + 3 ) : 3 + 8 × 4 × 0 =

72 : 3 + 32 × 0 =

24 + 0 = 0

550 : 10 : 11 × ( 48 : 3 - 24 : 12 ) =

55 : 11 × ( 16 - 2 ) =

5 × 14 = 70

135 + 75 : 25 - ( 90 - 30 ) : 30 =

135 + 3 - 60 : 30 =

138 - 2 = 136

2 × [ 307 - 84 : ( 9 - 5 )] - 3 =

2 × ( 307 - 84 : 4 ) - 3 =

2 × ( 307 - 21 ) - 3 =

2 × 286 - 3 =

572 - 3 = 569

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