求一道小学六年级数学应用题的解题方法,回答满意后再加分 用解方程,就是解比例的方法来做

2024-12-22 18:43:57
推荐回答(6个)
回答1:

设实际每天生产X个。
(20-4)X=400×20
X=8000÷16
X=500
500-400=100个
实际每天比原计划多生产100个

回答2:

解方程吧,设未知数为x,直接就算出来了
原来每天生产1/20,实际每天生产1/16
(400+x)/400=(1/16)/(1/20)
解出 x=100

回答3:

400/20=20 20-4=16 400/16=25 25-20=5
算出来了,方程我也不太懂,凑合把
咳。。。。。

回答4:

设每天多生产X个,列出方程为:
(400+X)*(20-4)=20*400
解得X=100

回答5:

设实际每天比原计划多生产X个。
400×20=(400+X)×(20-4)

回答6:

解设实际比原计划多生产x个:
400x20=(400+x)x(20-4)
8000=(400+x)x16
8000=6400+16x
16x =8000-6400
x=1600/16
x=100
实际每天比原计划多生产一百个。

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