三角加圆等于100、三角减圆等于20、问圆和三角等于多少？
\u4e09\u89d2\u5f62\u51cf\u5706\u5f62\u7b49\u4e8e600\u4e09\u89d2\u51cf\u5706\u51cf\u5706\u7b49\u4e8e100
\u3010\u91c7\u7eb3\u662f\u4e00\u79cd\u7f8e\u5fb7\u3011
\u548c\u5dee\u95ee\u9898\uff0c\uff08\u4e24\u6570\u548c+\u4e24\u6570\u5dee\uff09\u00f72=\u8f83\u5927\u6570
\uff08\u4e24\u6570\u548c-\u4e24\u6570\u5dee\uff09\u00f72=\u8f83\u5c0f\u6570
\uff08100+24\uff09\u00f72=62\uff08\u4e2a\uff09\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u4e09\u89d2\u5f62\u7684\u4e2a\u6570
\uff08100-24\uff09\u00f72=38\uff08\u4e2a\uff09\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u5706\u5f62\u7684\u4e2a\u6570
圆=40
圆四十 三角60
绛旓細瑙 宸茬煡锛1涓涓夎褰 + 1涓渾=100鈥︹ 1涓笁瑙掑舰 - 1涓渾=20 鈥︹ a+b锛2涓笁瑙掑舰=120 1涓笁瑙掑舰=60 1涓洯=100-40=60
绛旓細涓夎=60 鍦=40
绛旓細锛100+24锛壝2=62锛堜釜锛夆︹︹涓夎褰㈢殑涓暟 锛100-24锛壝2=38锛堜釜锛夆︹︹鍦嗗舰鐨勪釜鏁
绛旓細x=涓夎褰 y=鍦 x+y=100 x-y=20 瑙ｅ緱x=60 y=40
绛旓細鈼+鈻=100 ...锛1锛夆柍-鈼=40 ...锛2锛夛紙1锛+锛2锛夊緱锛2鈻 = 140锛屸柍=70 锛1锛-锛2锛夊緱锛2鈼 = 60锛屸棆 = 30
绛旓細鈼+鈻=100 ...锛1锛夆柍-鈼=40 ...锛2锛夛紙1锛+锛2锛夊緱锛2鈻 = 140锛屸柍=70 锛1锛-锛2锛夊緱锛2鈼 = 60锛屸棆 = 30
绛旓細涓夎鍑忓渾绛変簬3,4涔(涓夎鍔犲渾)绛変簬100锛屼笁瑙鏄14锛鍦嗘槸11
绛旓細涓夎=3鍦嗭紝3鍦+1鍦=4鍦 4鍦=100锛屽渾=100梅4=25 3x25=75=涓夎
绛旓細涓夎鍑忓渾绛変簬640 涓夎绛変簬800 鍦嗙瓑浜160 鈥涓夎鍔犲渾绛変簬960.涓夎绛変簬浜斾釜鍦嗙浉鍔犫濆氨鏄滃叚涓渾绛変簬960鈥濇湜閲囩撼锛侊紒
绛旓細宸茬煡:涓夎褰+鍦=100锛鍒:69X涓夎褰+69X鍦=69X(涓夎褰+鍦)=69Xx100=6900X
