①301×26-26
②125×(8+80)
③67×77+23×77
④45×[(37+11)÷2]
⑤125×32
⑥203×42-42×3
①( ﹣ )×24
②0.36×99+0.36
③20.8﹣(9.6+0.125÷12.5%)
④( ﹣ ÷2)×
⑤2.5×16×12.5
⑥0.5÷[ ﹣( ﹣ )]