①483.48-(83.48+25.1)
②99×82+82
③65×19.25+0.75×65
④25.44-3.29-9.71
⑤32×7×253
⑥25.98+62.7-25.98+37.3
13×600= 11×23= 20×125= 80×12=
140×30= a×4= x + x= 125×80=