看图列式计算.(1)列式:12÷(1-[1/7])12÷(1-[1/7])(2)列式:15÷(1-[5/8])15÷(1

1个回答

  • (1)12÷(1-[1/7])

    =12÷

    6

    7

    =14(吨)

    答:八月份用量是14吨.

    (2)15÷(1-[5/8])

    =15÷

    3

    8

    =40(千克)

    答:共有40千克.

    (3)25×(1+[1/5])

    =25×[6/5]

    =30(朵)

    答:红花有30朵.

    (4)600×(1-60%)

    =600×40%

    =240(米)

    答:还剩下240米没修.

    故答案为:12÷(1-[1/7]),15÷(1-[5/8]),25×(1+[1/5]),600×(1-60%).