5÷-÷5 2.94×+4.06÷
[15×(50%+]÷ 9.16×1.53﹣0.053×91.6
÷ =
﹣ =
× =
+ × ×0=
43.96+31.4=
0.625×8=
2.8× =
0.25×16=
5.5×17.3+2.7×5.5
①(3618÷18-145)×20
②6÷ - ÷6
③(21+ )× +
④ ×[ ÷( - )]
⑤3.5×98+35×0.2