7,5*(5,1-5,1*0,8)+75*(8,45-8,45*0,6)

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вопрос Следующий
вопрос

To calculate this expression, we first need to perform the operations within the parentheses:

5.1 - (5.1 0.8) = 5.1 - 4.08 = 1.02
8.45 - (8.45 0.6) = 8.45 - 5.07 = 3.38

Now we can substitute these values back into the original expression and solve:

7.5 (1.02) + 75 (3.38)
= 7.575 + 253.5
= 261.075

Therefore, the result of the expression 7.5(5.1-5.10.8)+75(8.45-8.450.6) is 261.075.