Solve 1+(3+4.2-6).2-(5-7).2

$$1+(3+4.2-6).2-(5-7).2$$

Evaluate

$$1.64$$

Solution Steps

Add 3 and 4.2 to get 7.2.

$$1+\left(7.2-6\right)\times 0.2-\left(5-7\right)\times 0.2$$

Subtract 6 from 7.2 to get 1.2.

$$1+1.2\times 0.2-\left(5-7\right)\times 0.2$$

Multiply 1.2 and 0.2 to get 0.24.

$$1+0.24-\left(5-7\right)\times 0.2$$

Add 1 and 0.24 to get 1.24.

$$1.24-\left(5-7\right)\times 0.2$$

Subtract 7 from 5 to get -2.

$$1.24-\left(-2\times 0.2\right)$$

Multiply -2 and 0.2 to get -0.4.

$$1.24-\left(-0.4\right)$$

The opposite of -0.4 is 0.4.

$$1.24+0.4$$

Add 1.24 and 0.4 to get 1.64.

$$1.64$$

Factor

$$\frac{41}{5 ^ {2}} = 1\frac{16}{25} = 1.64$$