1) 32/45
2) -9/2+19/9-28/9=-9/2-2/2=-11/2=-5 1/2
Ответ:
Пошаговое объяснение:
0,3 - (4,7 - 5 1/9) = 0,3 - 4,7 + 5 1/9 =-4,4 + 5 1/9 = 5 1/9 - 4,4 = 5 1/9 - 4 4/10 =5 1/9 - 4 2/5 = 5 5/45 - 4 18/45 =4 50/45 - 4 18/45 = 32/45
-(4 1/2 - 2 1/9) - 3 1/9 =-4 1/2 + 2 1/9 - 3 1/9 =-4 9/18 + 2 2/18 - 3 2/18 =-2 7/18 - 3 2/18 = -5 9/18 = -5 1/2
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Verified answer
1) 32/45
2) -9/2+19/9-28/9=-9/2-2/2=-11/2=-5 1/2
Ответ:
Пошаговое объяснение:
0,3 - (4,7 - 5 1/9) = 0,3 - 4,7 + 5 1/9 =
-4,4 + 5 1/9 = 5 1/9 - 4,4 = 5 1/9 - 4 4/10 =
5 1/9 - 4 2/5 = 5 5/45 - 4 18/45 =
4 50/45 - 4 18/45 = 32/45
-(4 1/2 - 2 1/9) - 3 1/9 =
-4 1/2 + 2 1/9 - 3 1/9 =
-4 9/18 + 2 2/18 - 3 2/18 =
-2 7/18 - 3 2/18 = -5 9/18 = -5 1/2