1.25×32 50.6÷0.25÷0.4 0.575×29+2.9×4.25
①0.175÷(0.25×4)
②4.2+5.8÷0.16
③(4.32-0.64)÷0.23
④2.1÷3.5÷0.2
①( ﹣ )×24
②0.36×99+0.36
③20.8﹣(9.6+0.125÷12.5%)
④( ﹣ ÷2)×
⑤2.5×16×12.5
⑥0.5÷[ ﹣( ﹣ )]