The expression 20 − 20 ÷ 20 + 2 must be solved using the correct order of operations.
Complete the division first:
20 ÷ 20 = 1
The equation now becomes:
20 − 1 + 2
Addition and subtraction have equal priority, so calculate from left to right:
20 − 1 = 19
19 + 2 = 21
The correct answer is 21.
Many people get this puzzle wrong because they subtract before completing the division.
This number-counting puzzle contains more sevens than most people notice at first glance. Start with the large red digits: Top row: 3 sevens Second row: 2 sevens…
This dot-counting puzzle contains more than the nine large blue dots shown in the center. Start with the obvious dots: 9 blue dots Now look closely at…
This bird-counting puzzle looks like it contains only nine cockatoos, but several smaller birds are hidden inside the larger drawings. Count each group carefully from left to…
This dog-counting puzzle is trickier than it first appears. The image suggests there may be only 10 dogs, but several smaller puppies are hidden between the larger…
This hidden-number puzzle combines several digits inside one overlapping drawing. At first glance, most people immediately notice the numbers 6, 8, 4, and 1. However, the curves,…
The expression 6 × 0 + 6 ÷ 6 + 6 must be solved using the correct order of operations. Complete multiplication and division first: 6 ×…
