9.2049.240
3.6×2.013.6
2.34×1.523.4×0.15
2.4+4.5= 25×8= 0.8+4.7= 0.05÷10×100=
60÷100= 0÷58= 3.2-2.5= 15×3÷15×3=
43.07+52.9=
101×40=
52÷13=
45×2÷9=
111×40≈
308×20≈
9-6.47=
7.8+13.12=
( )+297=551
( )-193=241
( )÷9=46
( )×29=377
兔
羊
鸡
16只
8只
7只
算式: