135+398= 0.14×50= 3﹣2÷7=
48×12.5%= 1.25×9×8= ﹣ =
7× ÷7× = ÷ =
300﹣187=
7.2÷36=
8.63+5=
4.7×100=
2600﹣279﹣321=
+=
×=
72÷=
-=
××=
①338﹣338÷26×12
②102.7×3.4+102.7×6.6
③
④×[+(﹣75%)]
①2.5×32×12.5%
② ÷[( ﹣ )×3.6]
③87.5×99+87.5
北京
重庆
广州
多云
﹣7℃~4℃
晴
8℃~9℃
阴
10℃~19℃
245÷0.98 245
25×3.6 2.5×36
+1