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Write math diary in grams and kilograms.
On the morning of October 3rd, 65438/kloc-0, we went to eat dumb cooking first, and then went to the food market happily. Dad said, "Buy something delicious and buy some crabs when you go home today." I always bought 16, because there are 8 of us, two for each, and 2 times 8 equals 16. I also looked at it specially, 2.666 kilograms. Besides these, Grandpa bought some vegetables, including 800g of purple orchid, 1 100g of white radish, 550g of water bamboo, 500g of green vegetables and 500g of ginger. I also added them up and calculated that the total * * * is equal to 6 1 16 grams. Grandma put everything together and I picked them up, but it was very difficult to walk.

The next day, my father and I went to the supermarket. As soon as we entered the supermarket, we went straight to the place where the rice was enlarged. We saw many kinds of rice, all of which were 10 kg. I also found a big bag of rice, 25 kilograms. We also saw some odds and ends near the place where the rice was enlarged, including Auricularia auricula100g, Tremella fuciformis150g and Lycium barbarum 200g. Then, my father thought that Dick had too many things and should look for kilograms of things, so he asked me, "What do you think is heavier?" I said, "The oil may be heavier." So we went to the place where the oil was put, only to find that the oil was in liters or milliliters, so I had to stop writing oil. Later, I remembered that my father still wanted to buy sugar, so we went to the place where the sugar was put. I saw that the big bag of sugar was 1.5 Jin, but my father bought two bags of 405 grams of sugar. Then I thought, watermelon is also a heavy thing. When we went to the place where there were watermelons, my father picked the biggest watermelon, weighed it and put it back in its original position. At first glance, it is 8.230 Jin. My father also bought eight apples. When I wanted to weigh them, I asked my father, "Is it true or not?" Dad replied, "Really!" Then I called it1.728kg. After buying apples, we are ready to pay the bill. On the way to checkout, I saw a knife cut steamed bread 1 kg, jellyfish head 2.25 kg and jiaozi 1 kg, and then I went to checkout.

Ah, these two shopping trips have given me a deep understanding of grams and kilograms.