63×(71-23) (79+57)÷4 25+75÷5
43×39= *964÷8= 26×47=
642÷6= 413﹣298= 7381÷6=
14×7=
420×0=
78÷6=
4.5+0.1=
91÷7=
80×50=
8×800=
4×8-3=
52×3=
6×21=
①400-100÷4
②852-143+257
③(65+25)×25
④79+14×22
⑤113×(305-296)
⑥(478+285)÷7
3.5+7.8-6.3 (708-613)×23 58×(60÷4)