和 和 和 和
503+497 =
62+38×0=
52+25-52+25=
0.6÷100=
1 . 36×1000 =
28÷4×7=
174-48-52=
5×4÷5×4=
42 - 42÷42 =
3.14+1.88=
36-36×36×0=
1.02÷100=
8.08-0.8=
25×8÷25×8=
40+23÷1000=
5-0.34=
19.98+0.2=
3.57+1.43= 4.2× =
10-9.2= 0.6×0.6=
0.72÷0.8= 8× ÷8÷ =