X÷6=4
x=6×4
x=24
24÷6=4
4=4
y×9=36
y=36÷9
y=4
4×9=36
36=36
x÷8=3
x=8×3
x=24
24÷8=3
3=3
А) (2*3³*11)/(2²*3*5*11²) = 2⁻¹*3²*11⁻¹*1/5 = 1/2*9*1/11*1/5 = 9/110
<span>б) (2³*3²*5*7</span>⁴)/(2²*3²*7⁵) = 2*3°*5*7⁻¹ = 2*1*5*1/7 = 10/7
<span>Ûßö...=)</span>
Переводи в неправильную дробь:
<span>1) 2 1/3*1 1/5 = 7/3 * 6/5 = 42/15 = 2.8
</span><span>2) 2 7/9*3 3/5 = 25/9 * 18/5 = 450/45 = 10</span>
111, 135, 228, 312, 231, 153, 249