(x一140)÷70=4
如图
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=140
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=9.8梅2 2(X+X+0.5)=9.8 3200=450+5X+X 12x-8x=4.8 x-0.7x=3.6 锛8锛16 7(x-2)=2x+3 18(x-2)=270 7x+5.3=7.4 30梅x+25=85 -2x=6 6x-12.8脳3=0.06 5脳3-x梅2=8 x梅0.756=90 48-27+5x=31 10.5+x+21=56 (200-x)梅5=30 (x-140)梅70=4 4...
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(a-b)梅c=d銆俠=140,c=70,d=4 a-b=cd=70*4=280 a=b+280=140+280=420
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3(x+0.5)=21 0.5x+8=43 6x-3x=18 1.5x+18=3x 5脳3-x梅2=8 0.273梅x=0.35 1.8x=0.972 x梅0.756=90 9x-40=5 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 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)梅x=4 x+...
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+...
