1份是,是个,
2份是,是个。
6308260832 10万99999
45×25025×450 1000个一万一亿
197-12×9+61 38+160÷(40-30)
240×[64-(95-39)] (55+250)÷(30-25)
①( ﹣ )×24
②0.36×99+0.36
③20.8﹣(9.6+0.125÷12.5%)
④( ﹣ ÷2)×
⑤2.5×16×12.5
⑥0.5÷[ ﹣( ﹣ )]