2.47+3.56=
125×80=
0.606×1000=
10-3.2-2.26=
5.1÷100=
41×25≈
(992+667)×0=
8+3.7-8+3.7=
12×5= 25×2= 5.6-4.4= 3.6+0.4= 4-2.3-1.7=
4+12.5= 5-3.6= 5×4+5×4= 1.4-0.8= 7.7-6.6=
8.03×100=
50.8÷10=
27+63÷9=
12×3÷12×3=
379-76-179=
78-23-17=
125×16×4×8×25×5× 20
125×25×5× 64
0.7+0.9=
8.24+3.76=
4.1-3.8=
14.6-0.34=
0.9+1.3=
4.8-1.6=
2.5+6.5=
1-0.7=
29÷100=
7.01×1000=
a×8=
9×b-2×b=
130×70=
6+3.65=
5.34-2.34=
300×11=
2-0.5=
10-0.37=
1--=