Răspuns :
X × ( 95 - 15 × 6 + 5 ) = 21 070
X × ( 95 - 90 + 5 ) = 21 070
X × ( 5 + 5 ) = 21 070
X × 10 = 21 070
X = 21070 : 10
X = 2107
X × ( 95 - 15 × 6 + 5 ) = 21 070
X × ( 95 - 90 + 5 ) = 21 070
X × ( 5 + 5 ) = 21 070
X × 10 = 21 070
X = 21070 : 10
X = 2107