甲乙丙三个同学做纸花,已知甲比乙多做5朵,丙做的是乙的2倍,比乙多做22朵.他们一共做了多少朵花
甲乙丙三个同学做纸花,已知甲比乙多做5朵,丙做的是乙的2倍,比乙多做22朵.他们一共做了多少朵花
其他人气:561 ℃时间:2020-02-05 15:51:28
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乙做了:22-5*2=12朵 甲做了:12+5=17朵 丙做了:12+22=34朵 他们一共做了:12+17+34=63朵 方程解法:设甲做了x朵,则乙做了x-5多,丙做了2x朵 根据题意列方程如下:2x-(x-5)=22 2x-x+5=22 x=17朵 即甲做了17朵 乙做了...
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