①20.1-3.56+79.9-6.44
②125×32×25
③×20%+÷5
x
36
1.8
y
24
9
15
60
18
1.2
0.4
0.5
①0.25×1.25×3.2
②36×( + ﹣ )
③
④
10﹣6.8= ﹣ = 35×1%= 1.25×24= 5× ÷5× =
0.42= 10÷0.02= 5a×7a= 1÷3= 1﹣1÷6=
①69×101
②18.5-4.6-5.4
③2.5÷
⑤