四则混合运算的应用题如何列综合算式？ 整数四则混合运算法顺序是怎样的
\u600e\u4e48\u5427\u56db\u5e74\u7ea7\u56db\u5219\u6df7\u5408\u8fd0\u7b97\u53d8\u6210\u7efc\u5408\u7b97\u5f0f\u4e3e\u4f8b\u8bf4\u660e\uff1a
\u752830+ 33=63 630\u00f763=10 10x12=120\u5199\u51fa\u7efc\u5408\u7b97\u5f0f
630\u00f7\uff0830+33\uff09\u00d712
=630\u00f76\u00d712
=10\u00d712
=120
1\u3001\u540c\u7ea7\u8fd0\u7b97\u65f6\uff0c\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u8ba1\u7b97\uff1b
2\u3001\u4e24\u7ea7\u8fd0\u7b97\u65f6\uff0c\u5148\u7b97\u4e58\u9664\uff0c\u540e\u7b97\u52a0\u51cf\u3002
3\u3001\u6709\u62ec\u53f7\u65f6\uff0c\u5148\u7b97\u62ec\u53f7\u91cc\u9762\u7684\uff0c\u518d\u7b97\u62ec\u53f7\u5916\u9762\u7684\uff1b
4\u3001\u6709\u591a\u5c42\u62ec\u53f7\u65f6\uff0c\u5148\u7b97\u5c0f\u62ec\u53f7\u91cc\u7684\uff0c\u518d\u7b97\u4e2d\u62ec\u53f7\u91cc\u9762\u7684\uff0c\uff0c\u518d\u7b97\u5927\u62ec\u53f7\u91cc\u9762\u7684\uff0c\u6700\u540e\u7b97\u62ec\u53f7\u5916\u9762\u7684\u3002
5\u3001\u8981\u662f\u6709\u4e58\u65b9\uff0c\u6700\u5148\u7b97\u4e58\u65b9\u3002
6\u3001\u5728\u6df7\u5408\u8fd0\u7b97\u4e2d\uff0c\u5148\u7b97\u62ec\u53f7\u5185\u7684\u6570 \uff0c\u62ec\u53f7\u4ece\u5c0f\u5230\u5927\uff0c\u5982\u6709\u4e58\u65b9\u5148\u7b97\u4e58\u65b9\uff0c\u7136\u540e\u4ece\u9ad8\u7ea7\u5230\u4f4e\u7ea7\u3002
\u6269\u5c55\u8d44\u6599\uff1a
1\u3001\u8131\u5f0f\u8ba1\u7b97
\u8131\u5f0f\u8ba1\u7b97\u5373\u9012\u7b49\u5f0f\u8ba1\u7b97\uff0c\u628a\u8ba1\u7b97\u8fc7\u7a0b\u5b8c\u6574\u5199\u51fa\u6765\u7684\u8fd0\u7b97\uff0c\u4e5f\u5c31\u662f\u8131\u79bb\u7ad6\u5f0f\u7684\u8ba1\u7b97\u3002\u5728\u8ba1\u7b97\u6df7\u5408\u8fd0\u7b97\u65f6\uff0c\u901a\u5e38\u662f\u4e00\u6b65\u8ba1\u7b97\u4e00\u4e2a\u7b97\u5f0f(\u9010\u6b65\u8ba1\u7b97\uff0c\u7b49\u53f7\u4e0d\u80fd\u5199\u5728\u539f\u5f0f\u4e0a\uff09\uff0c\u8981\u5199\u51fa\u6bcf\u4e00\u6b65\u7684\u8fc7\u7a0b\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u7b49\u53f7\u8981\u5f80\u524d\uff0c\u4e0d\u4e0e\u7b2c\u4e00\u884c\u5bf9\u9f50\u3002
\u793a\u4f8b\uff1a
1+2*(4-3)/5*[(7-6)/8*9]
=1+2*1/5*[1/8*9]
=1+2/5*[0.125*9]
=1+0.4*1.125
=1+0.45
=1.45
2\u3001\u6a2a\u5f0f\u8ba1\u7b97
\u793a\u4f8b\uff1a
1+2*(4-3)/5*[(7-6)/8*9]=1+2*1/5*[1/8*9]=1+2/5*[0.125*9]=1+0.4*1.125=1+0.45=1.45
用30+ 33=63 630÷63=10 10x12=120写出综合算式
630÷（30+33）×12
=630÷6×12
=10×12
=120
首先要理解题意，明确数量关系，然后可以先列分步式，再列综合式。
你好 很高兴为你解答
这一般是要根据题意
进行列式计算的吧
所以首先要读懂题目
绛旓細鐢30+ 33=63 630梅63=10 10x12=120鍐欏嚭缁煎悎绠楀紡 630梅锛30+33锛壝12 =630梅6脳12 =10脳12 =120
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绛旓細鍦ㄥ洓鍒欐贩鍚堣繍绠椾腑锛屾湁鎷彿鐨勶紝鍏堝仛鎷彿閲岀殑銆傜劧鍚庡啀鍋氭嫭鍙峰鐨勩傛嫭鍙峰鐨勮鍏堝仛涔橀櫎锛屽悗鍋氬姞鍑忋傛墍浠ョ患鍚堢畻寮忔槸:(720+160)梅88+17=27
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