1
54:9 + 36 = 6 + 36 = 42
100-9*6 = 100 - 54 = 46
2*3*7 = 42
12:(6:2) = 12:3 = 4
8+7*8 = 8 + 56 = 64
16:8+0 = 2 + 0 = 2
12:6+2 = 2 + 2 = 4
24:3-(14-48:8) = 8 - (14 - 6) = 8 - 8 = 0
2
(15+5) * 3 = 20 * 3
(6+30):9 < 36:4
(7+10) * 5 > 18 : 4
(20+36):8 < 56:7
(11+4) : 5 < 16 : 4
(52+11):9 = 63:9
3
1 отрезок - 9 см
2 отрезок - 12 см
3 отрезок - 6 см
4
6*9 + 4*8 = 54 + 32 = 86
5
6 + 6*3 = 6 + 18 = 24