(1/3+2/5)×1целая 4/11-1,8

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вопрос

To solve this, we first need to simplify the expression within the parentheses:

(1/3 + 2/5) = (5/15 + 6/15) = 11/15

Next, we multiply this by 1 whole:

11/15 * 1 = 11/15

Now, we subtract 1.8:

11/15 - 1.8 = 11/15 - 27/15 = -16/15 = -1 целая 1/15

Therefore, the final answer is -1 целая 1/15.