1，显而易见的谁简单……我觉得这个问题甚至没有问出来的必要

2，破甲炮弹本身在二战比较难以大规模列装，而且对于自旋的问题不好解决，不过确实是有这个炮弹的，而且也具有一定的反坦克能力

按照已知武器价格与德三武器发展趋势来推断，应该是pak36便宜

第一个问题不一定要定量的列举论述，但也请定性地简单分析一下，我个人感觉leIG18的成本更低一些

T-34 armour is insufficient against HEAT and especially subcaliber shells. The most vulnerable parts of the tank are the sides, the turret, the overtrack hull, and to a degree the rear.
German 50 mm subcaliber shells with a muzzle velocity of 1200 m/s penetrate the side of the tank from 1260 meters, the turret from 690 meters, the overtrack hull from 530 meters, and the rear from 360 meters.
The front is impenetrable, aside from the connecting joint, which can be penetrated from 600 meters.
The German 75 mm HEAT shell can only penetrate the lower hull side, destroying the bottom of the overtrack hull and the suspension.
Additionally, the HEAT shell destroys holders and anything that sticks out when it hits the rear, and can penetrate the roof of the hull if it hits low enough on the turret.

分开来看，pak37/ig37肯定要比leig18便宜，也就是说炮架pak36便宜
Kwk39价格低于kwk37,所以75步炮身估计也比37at贵

70 75 76步兵炮这种东西应该坚决停产，一点用没有

我找到价格了，pak36 5730rmk,leig18 6700rmk.

造什么造，造不如买，买不如租，租不如缴获

话说用75步兵炮打97中战效果会怎么样？

无后座力完善后步兵炮就消失了