-7,65+(-5 31/40 +4,76)

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вопрос

-7,65 + (-5 31/40 + 4,76)

To solve this, first convert the mixed numbers to improper fractions.

-5 31/40 = -5 + 31/40 = -5*40/40 + 31/40 = -200/40 + 31/40 = -169/40

Next, add the fractions:

-169/40 + 476/100 = (-1695)/(405) + 476/100 = -845/200 + 476/100 = (-845 + 952)/200 = 107/200

Now, add the whole numbers and the fractions together:

-7,65 + 107/200

To add a decimal with a fraction, convert the decimal to a fraction with a denominator of 200:

-7,65 = -765/100 = -765/100 * 2/2 = -1530/200

Now we have:

-1530/200 + 107/200 = (-1530 + 107)/200 = -1423/200

Therefore, the final answer is -7,65 + (-5 31/40 + 4,76) = -14,23