Răspuns:
5x4+9=20+9=29
(5+4)x9=9x9=81
16+16:2=16+8=24
100-4x6=100-24=76
90-90:10=90-9=81
25+5x5=25+25=50
64-8x8=64-64=0
18:(3+6)=18:9=2
(13+12):5=25:5=5
(25+25)X6=50x6=300
5x8+6x4=40+24=64
3x9-6x2=27-12=15
42:7+63:9=6+7=13
70:7-64:8=10-8=2
15:5x3+24:6x2=5x3+4x2=15+8=23
