Question

0789)
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13) If "+" means "-",
means "x", "x" means ":" and ":" means "+", then 25 x 5 = 30 + 8 - 2 =?​

Answer 1

Step-by-step explanation:

In this chapter we introduce some basic concepts and mathematical notation, which should be known to every survey statistician. The meaning and the use of these terms is supported by using them in the subsequent chapters.

Answer 2

Answer:

25×5 is 125 and 30+8-2is36