Question

Найдите значение выражения 2,25 - 2 1/5 * 1 1/2= ? / - этот знак типа дроби.

Answer 1

1)2 1/5*1 1/2=11/5*3/2=33/10=3 3/10=3,3
2)2,25-3,3=-1,05

Answer 2

Calculating the Expression

To calculate the expression 2.25 - 2 1/5 * 1 1/2, we can follow the order of operations, which is parentheses, exponents, multiplication and division (from left to right), and addition and subtraction (from left to right).

First, let's convert the mixed numbers to improper fractions: - 2 1/5 = 11/5 - 1 1/2 = 3/2

Now, we can perform the multiplication and subtraction:

2.25 - 11/5 * 3/2

To calculate the product of 11/5 and 3/2, we multiply the numerators together and the denominators together:

2.25 - (11 * 3) / (5 * 2)

2.25 - 33/10

Now, we can subtract the fraction from 2.25:

2.25 - 3.3

Result

The result of the expression 2.25 - 2 1/5 * 1 1/2 is -1.05.

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