10﹣0.86= × = 24× = 125%×8=
+ = ÷ = 0.62= 453÷52≈
4x=
3x﹣38=37
78﹣0.9=
8.1÷3=
2.5×20=
--=
45÷50%=
-=
1000÷125÷8=
0.9﹣0.22=
10.2﹣9.7﹣0.3=
3.14×40=
+ = 50÷50%= = 3 -1.125=
1.9÷2.5÷0.4= ( )×18= = 1- =
5.4÷0.09= 7.75+3.86-7.75+1.14= 2.5×0.99×0.4=
26.2+38= 40×0.1÷0.001= 56.27- 3.73-46.27=
4.25+5.75=
10﹣0.01=
0.8×0.4=
105×4=
27+68=
× =
72÷ =
6.3+0.1=
398×5≈
538÷9≈
数量(袋)
1-25
26-50
50以上
单价(元/袋)
102
99
95
张大爷购买19袋,李大爷购买28袋,王大爷购买23袋。
27+68= 341﹣103= 270÷18= -=
2÷= 0.42×0.2= 3.5×50= ×=
+=