1) 24%=0,24; 9,6/0,24=40 т.; 42/0,24= 175 т.
2) 35%=0,35; 21/0,35= 60 км; 11,2/0,35=32 <span>км</span>
<span />3) 75%=0,75; 15/0,75=20 ц.; <span>90/0,75=120 ц</span>
3 1/7 * 7 435/1000 + (-6 425/1000) * 3 1/7 = 3 1/7 * (7 435/1000-6 425/1000) = 3 1/7 * 1 1/100= 22/7 * 101/100= 2222/700 = 3 122/700 = 3 61/350