(20cdot 40-240):7 270:90cdot 13+54 (6cdot 8+22)cdot 5

Question

Answer 1

Let's solve each expression step by step:1. \((20 \cdot 40 - 240) : 7\)First, calculate the multiplication:

Then, subtract 240 from the result:

Finally, divide by 7:

So, the answer is

.2.

First, perform the division:

Then, multiply the result by 13:

Finally, add 54 to the result:

So, the answer is

.3. \((6 \cdot 8 + 22) \cdot 5\)First, calculate the multiplication:

Then, add 22 to the result:

Finally, multiply by 5:

So, the answer is

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