六年级上册数学书115页答案 用方程解

\u516d\u5e74\u7ea7\u4e0a\u518c\u6570\u5b66\u4e66\u7b54\u6848115\u9875

\u9f9f\uff08112+40*2\uff09/\uff084-2\uff09=16 \u9e64 40-16=24
\u5c0f\uff086*8-38\uff09/6-4=5 \u59278-5=3
\u5973\uff083*12-32\uff09/\uff083-2\uff09=4 \u753712-4=8

1\u3001\u81ea\u884c\u8f66\uff0810\u00d73\uff0d26\uff09\u00f7\uff083\uff0d2\uff09=4\uff08\u8f86\uff09\u4e09\u8f6e\u8f6610\uff0d4=6\uff08\u8f86\uff09

2\u3001\u4e09\u5206\u7403\uff0821\uff0d2\u00d79\uff09\u00f7\uff083\uff0d2\uff09=3\uff08\u4e2a\uff09

3\u3001\u5c0f\u94a2\u73e0\uff0811\u00d730\uff0d266\uff09\u00f7\uff0811\uff0d7\uff09=16\uff08\u4e2a\uff09\u5927\u94a2\u73e030\uff0d16=14\uff08\u4e2a\uff09

4\u30011 \uff088\u00d710\uff0d64\uff09\u00f7\uff0810+6\uff09=1\uff08\u9898\uff098\uff0d1=7\uff08\u9898\uff09

2 \uff0810\u00d710\uff0d36\uff09\u00f7\uff0810+6\uff09=4\uff08\u9898\uff09

3 \uff0816\u00d710\uff0d16\uff09\u00f7\uff0810+6\uff09=9\uff08\u9898\uff0916\uff0d9=7\uff08\u9898\uff09

5\u3001\u827a\u672f\u7c7b\uff089\u00d75\uff0d37\uff09\u00f7\uff085\uff0d3\uff09=4\uff08\u4e2a\uff094\u00d73=12\uff08\u4eba\uff09\u79d1\u6280\u7c7b37\uff0d12=25\uff08\u4eba\uff09

7\u3001\u8db3\u7403\uff0842\u00d76\uff0d231\uff09\u00f7\uff0842\uff0d35\uff09=3\uff08\u4e2a\uff09\u7bee\u74036\uff0d3=3\uff08\u4e2a\uff09

8\u3001\u5c0f\u548c\u5c1a\uff083\u00d7100\uff0d100\uff09\u00f7\uff083\uff0d1\uff0f3\uff09=75\uff08\u4e2a\uff09\u5927\u548c\u5c1a100\uff0d75=25\uff08\u4e2a\uff09

1.设龟有x只,鹤有(40-x)只。
4x+2(40-x)=112 4x+80-2x=112 2x=112-80 2x=32 x=32除2 x=16 龟:16只。鹤:40-16=24(只) 2.设全是大船。 6*8=48人 48-38=10人 6-4=2人 小船:10除2=5只 大船:8-5=3只 我书坏了,三题是什么?我可以帮你解答。

小学六年级上册的115页的做一做 2 3题

题、给我啊

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