18/3=6 6*3=18
32/4=8 8*4=32
40/5=8 8*5=40
Х=(7/9•9целых3/10):3целых1/10;
Х=21/9=2целых3/9=2целыз1/3
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>
1) <span>(-10)² =100
2)- 0,2*100= - 20
3)-20 + 55 = 35</span>