Математика 6 класс учебник Виленкин, Жохов 1 часть ответы – номер 2.344

1) 3 2⁽⁵/3 + 2 4⁽³/5 = 3 10/15 + 2 12/15 = 5 22/15 = 5 + 1 7/15 = 6 7/15 2) 9/52 · 4 1/3 = 9/52 · 13/3 = ³̶9̶ · ̶1̶3̶¹/₄ ̶5̶2̶ · ̶3̶ ₁ = 3/4 3) 3/4 · 1/3 = ̶3̶ · 1/4 · ̶3̶ = 1/4 4) 6 7/15 · 60/97 = 97/15 · 60/97 = ̶9̶7̶ · ̶6̶0̶⁴/₁ ̶1̶5̶ · ̶9̶7̶ = 4 5) 5/36 · 1 4/5 = 5/36 · 9/5 = ̶5̶ · ̶9̶¹/₄ ̶3̶6̶ · ̶5̶ = 1/4 6) 1/4 + 4 = 4 1/4 7) 4 1/4 + 1/4 = 4 2/4 = 4 1/2

1) 5⁽⁵/9 + 1⁽⁹/5 = 25/45 + 9/45 = 34/45 2) 28 6⁽²/7 − 19 5/14 = 28 12/14 − 19 5/14 = 9 7/14 = 9 1/2 3) 34/45 · 9 1/2 = 34/45 · 19/2 = ̶3̶4̶¹⁷ · 19/45 · ̶2̶ ₁ = 323/45 = 7 8/45 4) 7 8/45 · 9/17 = 323/45 · 9/17 = 17 · 19/45 · 9/17 = ̶1̶7̶ · 19 · ̶9̶/5 · ̶9̶ · ̶1̶7̶ = 19/5 = 3 4/5 5) 3 4/5 − 1/5 = 3 3/5