（x-140）÷70=4 (x-140)÷70=4的解方程
(x\u4e00140)\u00f770=4\uff08x-140\uff09\u00f770=4
x-140=4x70
x=280+140
x=420
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\u5de6\u8fb9=\uff08420-140\uff09\u00f770=280\u00f770=4
\u5de6\u8fb9=\u53f3\u8fb9
\u6269\u5c55\u8d44\u6599\uff1a
\u89e3\u65b9\u7a0b\u7684\u6b65\u9aa4\uff1a
\uff081\uff09\u6709\u62ec\u53f7\u5c31\u5148\u53bb\u6389\u3002
\uff082\uff09\u79fb\u9879\uff1a\u5c06\u542b\u672a\u77e5\u6570\u7684\u9879\u79fb\u5230\u5de6\u8fb9\uff0c\u5e38\u6570\u9879\u79fb\u5230\u53e6\u53f3\u8fb9\u3002
\uff083\uff09\u5408\u5e76\u540c\u7c7b\u9879\uff1a\u4f7f\u65b9\u7a0b\u53d8\u5f62\u4e3a\u5355\u9879\u5f0f\u3002
\uff084\uff09\u65b9\u7a0b\u4e24\u8fb9\u540c\u65f6\u9664\u4ee5\u672a\u77e5\u6570\u7684\u7cfb\u6570\u5f97\u672a\u77e5\u6570\u7684\u503c\u3002
\uff08x-140\uff09\u00f770=4
x-140=4x70
x=280+140
x=420
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\u5de6\u8fb9=\uff08420-140\uff09\u00f770=280\u00f770=4
\u5de6\u8fb9=\u53f3\u8fb9
\u6269\u5c55\u8d44\u6599\uff1a
\u89e3\u65b9\u7a0b\u7684\u6b65\u9aa4\uff1a
\uff081\uff09\u6709\u62ec\u53f7\u5c31\u5148\u53bb\u6389\u3002
\uff082\uff09\u79fb\u9879\uff1a\u5c06\u542b\u672a\u77e5\u6570\u7684\u9879\u79fb\u5230\u5de6\u8fb9\uff0c\u5e38\u6570\u9879\u79fb\u5230\u53e6\u53f3\u8fb9\u3002
\uff083\uff09\u5408\u5e76\u540c\u7c7b\u9879\uff1a\u4f7f\u65b9\u7a0b\u53d8\u5f62\u4e3a\u5355\u9879\u5f0f\u3002
\uff084\uff09\u65b9\u7a0b\u4e24\u8fb9\u540c\u65f6\u9664\u4ee5\u672a\u77e5\u6570\u7684\u7cfb\u6570\u5f97\u672a\u77e5\u6570\u7684\u503c\u3002
x-140=4x70
x=280-140
x=140
x÷70-140÷70=4 x÷70-2=4 x÷70=6 x=6×70 x=420
x-140=280
x=420
x=6/70=3/35
绛旓細锛坸-140锛壝70=4 x-140=4x70 x=280+140 x=420 楠岃瘉锛氫竴鑸В鏂圭▼涔嬪悗锛岄渶瑕佽繘琛岄獙璇併傞獙璇佸氨鏄皢瑙ｅ緱鐨勬湭鐭ユ暟鐨勫间唬鍏ュ師鏂圭▼锛岀湅鐪嬫柟绋嬩袱杈规槸鍚︾浉绛夈傚鏋滅浉绛夛紝閭ｄ箞鎵姹傚緱鐨勫煎氨鏄柟绋嬬殑瑙ｃ傚乏杈=锛420-140锛壝70=280梅70=4 宸﹁竟=鍙宠竟 ...
绛旓細锛坸-140锛壝70=4 x-140=4x70 x=280+140 x=420 楠岃瘉锛氫竴鑸В鏂圭▼涔嬪悗锛岄渶瑕佽繘琛岄獙璇併傞獙璇佸氨鏄皢瑙ｅ緱鐨勬湭鐭ユ暟鐨勫间唬鍏ュ師鏂圭▼锛岀湅鐪嬫柟绋嬩袱杈规槸鍚︾浉绛夈傚鏋滅浉绛夛紝閭ｄ箞鎵姹傚緱鐨勫煎氨鏄柟绋嬬殑瑙ｃ傚乏杈=锛420-140锛壝70=280梅70=4 宸﹁竟=鍙宠竟 ...
绛旓細(X锛140 )梅70锛4 X锛140 锛280 X=420
绛旓細x锛175 姝ラ濡備笅锛
绛旓細(x-140)梅70=4 0.1(x+6)=3.3脳0.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)梅x=4 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6梅x=12.6 5x+12.5=32.3 5(x+8)=102 x+3x+10=70 3(x+3)=50-x+3 5x+15=60 3.5-5x=2 0.3脳7+4x=12.5 x梅1...
绛旓細2x+18=78 2x=78-18 x=60/2 x=30 (200-X)梅5=30 200-X=30*5 X=200-150 X=50 (X+140)梅70=4 X+140=280 X=280-140 X=140
绛旓細(x-140)梅70=4 0.1(x+6)=3.3脳0.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)梅x=4 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6梅x=12.6 5x+12.5=32.3 5(x+8)=102 x+3x+10=70 3(x+3)=50-x+3 5x+15=60 3.5-5x=2 0.3脳7+4x=12.5 x梅1.5-1.25=0.75 4x-1.3脳6=2.6 20-9x=1.2脳...
绛旓細(x-140)梅70=4 0.1(x+6)=3.3脳0.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)梅x=4 3X+5X=4814X-8X=12 6*5+2X=44 20X-50=50 28+6X=8832-22X=10 24-3X=3 10X(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-3*9=...
绛旓細X+2X+18=78锛(200-X)梅5=30锛(X-140)梅70=4锛0.1(X+6)=3.3脳0.4锛4(X-5.6)=1.6锛7(6.5+X)=87.5锛 (27.5-3.5)梅X=4锛3X+5X=48锛14X-8X=12锛6脳5+2X=44锛20X-50=50锛28+6X=88锛32-22X=10锛24-3X=3锛99X=100-X锛沊+3=18锛沊-6=12锛56-2X=20锛4X+...
绛旓細7(x-2)=2x+3 18(x-2)=270 12x=300-4x 7x+5.3=7.4 30梅x+25=85 1.4脳8-2x=6 6x-12.8脳3=0.06 3(x+0.5)=21 5脳3-x梅2=8 x梅0.756=90 x梅5+9=21 48-27+5x=31 10.5+x+21=56 x+2x+18=78 (200-x)梅5=30 (x-140)梅70=4 0.1(x+6)=3.3脳0.4 ...
