0×5.16= 9.8+2.6= 502-399=
÷4= × = 20×5=
8.9+3.01= 1- + = 1.2×5= 3.8÷0.038=
÷ = 3604÷62≈ 0.62-0.32= 1÷10%=
( - )×24= ×8÷ ×8=
①×7+
②3.5×10.1
③×6×7×
④×[5-(+)]
⑤48×(+-)
①125×32×25
②0.9+99×0.9
③1.25×7×0.8
④3.72﹣(1.72﹣0.85)
72﹣3.5+28﹣6.5
22.3×4÷22.3×4
24×(+)
﹣×
□O□O□=□(本)
□O□=□(本)
÷3= 1+40%=
:8= 0.62= 0.8×0.25= 10-0.01= ( )×0.4=1