5.3×1.25.3 5.43×0.99 5. 43 4.84×0.90.9
x+y=2
m+n=k
0.6÷100=
3.68+1.68=
6-0.96=
4000÷50×2=
24×5=
0÷7.2=
0.8+4.52=
12×8÷1000=