Réponse:
97×97 =9409
97+3=100 97+3=100
3+3=6. 100-6=94. 3×3=09
94 09.
-–------++-----------------++----------------
(100-3)×(100+3)
(100×100)+(-3×3)
(100×100) - 9=10000-9=9991
-------+++++--------++(+((++-----+--+
103×103=10609
103-3=100. 103-3= 100
-3-3=-6. 100+6=106 3×3=09
106 09
------++---------------------------------------
Explications étape par étape:
(103+97)(103-97)
200 × 6=1200
merci
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Verified answer
Réponse:
97×97 =9409
97+3=100 97+3=100
3+3=6. 100-6=94. 3×3=09
94 09.
-–------++-----------------++----------------
(100-3)×(100+3)
(100×100)+(-3×3)
(100×100) - 9=10000-9=9991
-------+++++--------++(+((++-----+--+
103×103=10609
103-3=100. 103-3= 100
-3-3=-6. 100+6=106 3×3=09
106 09
------++---------------------------------------
Explications étape par étape:
(103+97)(103-97)
200 × 6=1200
merci