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Fifth grade volume two summer vacation study companion p135 wide angle ability, such as the topic The second question has a cuboid, 24 long, 12 wide and 6 high (unit: cm). Now cut it into two identical cuboids. The third question: how many square centimeters can the surface area increase at most?
two hundred and eighty-eight
Expand the world
There are two scores, the product of which is equal to their difference
1/2-1/3=1/6,
1/3-1/4=1/12,
1/4-1/5=1/20,
1/5-1/6=1/30,
……
How many ways to read "happy summer vacation"?
The title is like this: read out the sentence "summer vacation life is really happy" from the following picture, how many statements are there?
Fake life is real
Life is so fast
How happy to live
There are () ways of reading
OK, 100 points!
9
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