Решите пожалуйста рациональным способом 4. 1//9*5//8+3. 5//9*5//8+1,1//3*5//8 найдите значение…

1//9*5//8=5//723,5//9*5//8=32//9*5//8=20//9=2,2//91,1//3*5//8=4//3*5//8=5//3=1,2//35//72+2,2//9=5//72+20//9=5//72+160//72=165//72=2,21//72=2,7//242,7//24+1,2//3=2,7//24+1,16//24=3,23//24 Это первый пример Второй: 1,1//7-23//49=8//7-23//49=56//49-23//49=33//496//10/3,3//4=6//10*4//15=6//2533//49/22//147=33//49*147//22=9//2=4,1//26//25*2,1//2=6//25*5//2=6//10=3//54,1//2-3//5=4,5//10-6//10=3,15//10-6//10=3,9//10 по моему вот так