20251106

Complete problem set with solutions and individual problem pages

Problem 1 Easy

10吨减少它的frac{1}{5}，也就减少了（   ）吨．

  • A.

    8

  • B.

    2

  • C.

    frac{1}{5}

  • D.

    9 frac{4}{5}

Answer:B
Solution

题中“它”是单位1，指10吨，属于单位1已知类型，运用公式分量单位1times分率，得到10times frac{1}{5}=2吨．

故选text{B}．

Related Problems
Problem 2 20251106
Problem 3 20251106
Problem 4 20251106
Problem 5 20251106
Think Academy Powered by ChatGPT