10﹣5.3=
10÷20%=
2.5×2=
32÷0.4=
1+ ÷1+ =
2.2÷ =
+ =
7.3+2.7=
﹣ =
( ﹣0.375)×5=
÷= ×= 1.02﹣0.43= 597×8≈
126÷3= 0.25×0.8= 1÷25%= 725÷92≈
0.77+0.3= 0.35+99×0.35= 10÷10%= 3.2÷0.08= 2.5×0.98×4= 0.8× ÷ = ×6÷ ×6= 5–4÷ = + ÷ + = 2×( + )×4=
48×25%= 334-199= 12÷0.25= 2018×2018×0=
3-3÷4= 3- = 9-1.67-5.33= 1.8× =
( - )×20= 14× ÷14× =