5+0.3=
251+499=
10﹣6.5=
60÷100×1000=
0.62+0.38=
320÷40=
13.65﹣7.83=
3×5÷5×3=
4×6÷3=
56÷8×4=
25×2-30=
45+(35-18)=
56-8×4=
(16-7)×0=
36-0÷23=
12÷3+21÷3=
45×4-20=
72÷4+32=
3.5-2.1= 8.5+6.8= 0.08×1000= 76÷100=
4.3+2.7= 1-0.01= 32×50= 5+8.5=
0.4×25= 2.7+6.8= 10-2.9= 8.4-3.6=
0.5×0.8= 6.8×0.4= 37÷100= 4.5×0.5×4=
62=
99+68=
c×3=
12+9.9+0.1=
0.4+1.2=
m+m=
4.2-2.2=
12×5÷12×5=
0.45×100=
1-0.5=
79÷100=
4.6-2.8=
1÷= = 1.1+0.11= 2.4×50%= 0.24÷0.8=
= 8×= 10﹣0.99= 0.22= 4×25%÷4×25%=