0.9﹣0.45= 2.7+0.3= 4÷ ×4= 9÷0.9=
0.12×0.8= + = ÷ = 2.1﹣0.21=
2.5×4+2.5×4= + = - = 0.6﹣0.06=
÷[(1+)×]
17×19×()
0.25×12.5×32
70×5=
0.6÷0.1=
23.2+6=
32+22=
=
30×20%=
1÷3=
8﹣5.3= + = 0.2×0.01= 2÷ = 0.82﹣0.08=
1﹣ = 20×3.5= × = ÷0.2= 0.04×50=
0.99+0.1= 0.35× = 0.75÷75%= 3.14×82=
2.7- = ÷8= 15×6÷15×6= ÷ ×0=
物品
钢笔
笔记本
文具盒
水杯
书包
作业本
钱数(元)
1975
2051
1865
1061
970
2013
①(3618÷18-145)×20
②6÷ - ÷6
③(21+ )× +
④ ×[ ÷( - )]
⑤3.5×98+35×0.2