6_3/5 + 1_1/9 * 0,72 = 7,4
2 1
1) 1_1/9 * 0,72 = 10/9 * 72/100 = (10* 72) / (9 * 100) = 8/10=0,8
2) 6_3/5 + 8/10 = 6_ 6/10 + 8/10 = 6_14/10 = 7_4/10 = 7,4 = 7_2/5
6_3/5 + 1_1/9 * 0,72 = 7,4
2 1
1) 1_1/9 * 0,72 = 10/9 * 72/100 = (10* 72) / (9 * 100) = 8/10=0,8
2) 6_3/5 + 8/10 = 6_ 6/10 + 8/10 = 6_14/10 = 7_4/10 = 7,4 = 7_2/5