2. How many pages have you read in two days? _200X_ quarter +200X _ 5th _ _ _ _ _ _ _.

3. How many pages did you read on the first day than on the second? 200X_ one quarter minus 200X one fifth _ _ _ _ _ _ _.

4. How many pages are left? 200 MINUS 200X_ quarter +200X _ _ _ _ _ _ _ _ _ _

The fruit shop sent a batch of fruits, which sold 200 Jin on the first day and 300 Jin on the second day.

1, one third of the total amount sold on the first day, how much is this fruit? 200÷ 1/3_______________。

I sold 5/6 of the total in two days. How many kilograms are there in this batch of fruit? (200+300)÷ 5/6

The sales volume on the first day is one sixth less than that on the second day. How many kilograms are these fruits? (300 minus 200)÷ one sixth.

There is still one sixth of the total. How many kilograms are there in this batch of fruit? Let x, 200+300+ one sixth x = X

1. Expert tip: The weight of children's schoolbags should be controlled within 10% of their weight. If students carry overweight schoolbags to school for a long time, it will affect their physical development. Lu Xiao's weight this year is 38kg. I carry a 4 kg schoolbag. Are you overweight?

38x 10% = 3.8 3.8 < 4, A: overweight.

2. An interesting math book *** 192 pages. Xiaohua read one-eighth of the total pages on the first day and one-eighth on the second day. On the third day, what page did he start reading?

192 minus (192X one eighth+192X one eighth)

One word at a time, use it!