Wrong binop broadcasting result dim-3 vs dim-1

```
mt_tensor(1, 17640, 2, dtype=float)
[[[     0.014081      0.020833]
  [     0.021980      0.033333]
  [     0.031974      0.050000]
 ... 
  [     0.153434      0.266667]
  [     0.234782      0.400000]
  [     0.336755      0.533333]]]]
mt_tensor(1, dtype=float)
[     2.000000]]
```

After division between two tensors above, resulting tensor's second column got all inf