①73+(27+56)
②436×99+436
③32×125×25
④8×37×125
⑤1000-135-565
⑥12×105
⑦627-(327+294)
⑧137×9-37×9
⑨420÷35
①14.56﹣6.62+5.44﹣8.38
②×0.8×12.5
③5.9×63+59×3.7
④÷[×(﹣)]