.
13÷ = ÷ = ÷3= 33÷ =
÷ = 0.25× = × =
70-34= +0·875= ÷2= 24×25%=
0.25÷0.01= 0.62- = 302×8.89≈ 0+0.23=
6894-589= 24.7-6.9= 0.25×6.4×0= 0.75÷0.1=
÷6= 2.4÷60%= 7.6÷2.5÷0.4=
= 36÷ = 0.78×99+0.78=
504×59≈ 5850÷72≈ 2.4× ÷2.4× = ( ): =
3.6× = = = =
= = 24÷ = =
24+11= 1.2+0.4= 1- =
× = 1.8÷0.3= 2- =
+ = 3.6÷0.4= ×16=
54÷18= 0.375+ = 0÷ =
8.1÷9= ×15= × =
1.25×8= 0.8×31= + =
13.8-7= ÷9= ÷4=
0.5×0.6= ×12= 10-0.5=
0.25×0.8×4= 1- - = 1-3÷8=
÷2= -7= -0.4= 10%÷0.9=
7- = 79×99= 4÷7+3÷7= 6.8× =
= 0.625+99× =
1÷(÷)
÷ ×
12× 12 ÷