60×90=
120-18-2=
50×110=
25×4×0=
210×50=
540÷90=
90×12=
50―5×6=
70+400=
105×40=
9+9×0=
27×4÷27×4=
0.5+0.6=
2.4+0.61=
5.6+4.4=
5.5-0.5=
1-0.05=
10-0.1=
23.5×10= 26.5÷100= 5.08×10= 5.6÷100=
25×13×4= 101×23= 19×7+11×7 = 25×16-25×12=
9×9÷9×9= 40÷5×8= 38×4÷8×0= 72-72÷12
2.3×1.1= 16-0.9= 0.8+1.06= 0.25×0.4=
1.5×6= 5.7+4.3= 4.5×12= 0.5×6.8=
12×5=
4×25=
125×8=
56÷8=
450÷18=
52+48=
100﹣58=
0÷78+78=
6000÷125÷8=
57+13﹣57+13=
+ = 1- = 1.25× = - =
0.9+99×0.9= 0÷ = 1÷ = -0.5=
0.6×101= 3.2×2.5×12.5=