oplossingen serie 71
714. 1.19-14 9x20 2.40-34 39x30 3.35x4
715. 1.24-19 13x35 2.22x4 35-40 3.4-22 40-45 4.22-50
716. 1.34-30 35x13 2.28x17
717. 1.47-41 36x47 2.29-24 47x20 3.25x3
718. 1.29-23 26x46 2.23x5
719. 1.46-41 1x12 2.41-37 42x31 3.36x7
720. 1.43-39 33x44 2.42-38 32x43 3.48x50
721. 1.21-17 22x11 2.26x7 30-34 3.7-1 34-39 ( 3...34-40 4.1-6) 4.50-44 39x50 5.1-6