Question

2×[3+4×(25:5-3)+21]×15+3203=

Answer 1

Rezolvare:
1) 25:5=5  2)  5-3=2   3)4x2=6  4)6+3=9  5)9+21=30  6)2x30=60  7)60x15=900  8) 900+3203=4103
Raspuns:2×[3+4×(25:5-3)+21]×15+3203=4103

Answer 2

2×(3+4×2+21)×15+3203
=2×(3+8+21)×15+3203
=2×(11+21)×15+3203
=2×32×15+3203
=64×15+3203
=320+3203
=3523