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Solving math problems in grade six.
@ A fruit shop delivers 270 baskets of apples, and the number of baskets delivered by longan is 2/5 of that of apples. How many baskets of apples and longan were shipped?

270x( 1+2/5)=378 baskets.

The high-speed railway from Fuzhou to Xiamen is about 275 kilometers long. From Fuzhou to Xiamen, the bullet train traveled 4/5 of the whole journey. How many kilometers is it from Xiamen at this time?

275x (1-4/5) = 55km.

The grasshopper can vibrate its wings 18 times per second, which is 23/25 less than that of bees. How many times do bees flap their wings every second?

18( 1-23/25)= 225 times.

@ 360 yuan a set of tables and chairs, the price of chairs is 3/5 of the table. What's the price of this table and this chair?

Table: 360÷( 1+3/5)=225 yuan.

Chair: 360-225= 135 yuan

@ A medicinal liquid, which is prepared from medicinal powder and water according to the ratio of 1: 100. How many grams of powder does it take to prepare 3535 grams of this potion?

3535 \u( 1+ 100)= 35g。

@ Xiaohong has pocket money 27 yuan, Xiaojun's pocket money is 8/9 of Xiaohong's, and Xiao Qiang's pocket money is more than Xiaojun's 1/3. How much pocket money does Xiao Qiang have?

27x8/9x (1+1/3) = 32 yuan.