10×12= | 1﹣0.04= | 2+5.8= | 4.5÷0.45= |
+ = | 1.2﹣ = | ÷ = | 2.5×4÷4= |
+ ÷ + = | 0÷( ﹣ )= |
=
=
=
+ ÷ ÷
×1 × ×
÷ = 1- = × = + =
4× = × = + = 0.72÷0.6=
1÷ = + = ÷ = × = 8÷ =
0.5×0.3= 8÷0.2= 0.2×300= 7.65-1.2= 0.36÷0.4=
(a、b≠0,a>b)
1-0.92= - = ×3.2= ÷ ×5=
3.5+4.28= × = ÷ = 99×0.9+0.9=
×16 24× ÷2.4 ÷
1÷1 ÷15 ÷14 × ÷
0.8÷ 180÷ × × ÷ ×
1÷0.25= 15×60= 72×25%=
1.1-0.01= 12÷ =
24×( )=