甲数是40。乙数是50。乙数比甲数多()%,列式(),还可列式() 列式计算.(1)甲数为50,乙数比甲数的2倍还多10,那么甲...

\u7532\u6570\u4e0e\u4e59\u6570\u7684\u548c\u662f320\uff0c\u7532\u662f\u4e59\u76843\u500d\uff0c\u7532\u662f\u591a\u5c11\uff1f(\u5217\u5f0f)

1\u3001\u8bbe\u7532\u6570\u4e3ax\uff0c\u4e59\u6570\u4e3ay\uff0c\u90a3\u4e48
x+y=320 ---- 1\u5f0f
x=3y -----2\u5f0f
\u5c06 2\u5f0f\u5e26\u51651\u5f0f\u4e2d\uff0c\u5f97\u5230 3y+y=320\uff0c\u5f97\u5230 y=320\u00f74=80\uff0c\u5219x=240\uff0c\u5373\u7532\u6570\u4e3a240.

\uff081\uff0950\u00d72+10+50\uff0c=100+10+50\uff0c=110+50\uff0c=160\uff1b\u7b54\uff1a\u7532\u3001\u4e59\u4e24\u6570\u7684\u548c\u4e3a160\uff0e\uff082\uff09\uff08336-24\uff09\u00f712\uff0c=312\u00f712\uff0c=26\uff1b\u7b54\uff1a\u5546\u662f26\uff0e

甲数是40。乙数是50。乙数比甲数多(25)%,列式((50-40)÷40),还可列式(50÷40)-100%



50➗40-1 还可:(50-40)➗40

25 (50-40)/40 50/40-1


如图



甲数是40。乙数是50。乙数比甲数多(25)%,列式(50-40/40),还可列式(50-40:40)要过程的哦。

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