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250×2:(1000:100)+550-(720:8×5)-150

Răspuns :

Alinao
250×2:(1000:100)+550-(720:8×5)-150=0
250×2:10 +550-( 90×5)-150=0
250×2:10 +550- 450 -150=0
500:10 +550- 450-150=0
50 +550- 450-150=0
600 - 450-150=0
150 -150=0
Cocirmariadenis
250×2:(1000:100)+550-(720:8×5)-150= 0
= 500 : 10 + 550 - ( 90 x 5 ) - 150 =
= 50 + 550 - 450 - 150 = 
 = 600 - 450 - 150 = 
= 150 - 150 =
= 0

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