题文
怎样简便就怎样计算.
①57.5﹣4.25﹣15.75 ②125×
×8×
③
×16.31﹣2.31÷
④6760÷13+17×25 ⑤99×56 ⑥
÷[(
﹣
)÷
].
怎样简便就怎样计算.
①57.5﹣4.25﹣15.75 ②125×
×8×
③
×16.31﹣2.31÷
④6760÷13+17×25 ⑤99×56 ⑥
÷[(
﹣
)÷
].
试题篮
()