25㎝x25㎝等于多少平方厘米 41厘米x32厘米x25厘米等于多少方
\u4e00\u4e2a\u957f\u65b9\u5f6240\u5398\u7c73\uff0c\u5bbd25\u5398\u7c73\u3002\uff081\uff09\u8fd9\u4e2a\u957f\u65b9\u5f62\u9762\u79ef\u662f\u591a\u5c11\u5e73\u65b9\u5398\u7c73\uff1f\uff082\uff09\u5982\u679c\u957f\u589e\u52a010\u5398\u7c73\uff0c\u5bbd\u4e0d\uff081\uff09
40x25=1000\u5e73\u65b9\u5398\u7c73
\uff082\uff09
10x25=250\u5e73\u65b9\u5398\u7c73
\uff083\uff09
40x10=400\u5e73\u65b9\u5398\u7c73
41x32x25
=41x8x4x25
=\uff0841x8\uff09x\uff084x25\uff09
=328x100
=32800\u7acb\u65b9\u5398\u7c73
=32.8\u7acb\u65b9\u5206\u7c73
=0.0328\u7acb\u65b9\u7c73
\u8c22\u8c22\uff0c\u8bf7\u91c7\u7eb3
625平方厘米
绛旓細25銕漻25銕=625锛堛帩²锛夛紝绛旓細25銕漻25銕濈瓑浜625骞虫柟鍘樼背銆
绛旓細25脳25脳25=15625锛堢珛鏂瑰帢绫筹級15625梅锛40脳10锛=30.0625锛堝帢绫筹級浣犲ソ锛屾湰棰樹互瑙g瓟锛屽鏋滄弧鎰忥紝璇风偣鍙充笂瑙掆滈噰绾崇瓟妗堚濓紝鏀寔涓涓嬨
绛旓細50梅2=25锛銕锛25²脳3.14=1962.5锛堛帩²锛
绛旓細杩欎釜鍘氬害鏄80鍏冪殑锛屽叚瑙掕浆鐨勮瘽涓鑸槸姣旇緝澶氱殑锛36鍧楋紝鎵浠ュ畠鐨勬暟閲忔柟闈㈣繕鏄尯鍚堢悊鐨
绛旓細闀=180梅4=45鍘樼背;瀹芥婚暱=5脳20=100鍘樼背锛屽=100梅4=25鍘樼背;楂樻婚暱=6脳20=120鍘樼背锛岄珮=120梅4=30鍘樼背銆傞奔缂歌〃闈㈢Н鏄绛変簬 闀棵楀脳1=45脳25=1125銕²;闀棵楅珮脳2=45脳30脳2=2700銕²;瀹矫楅珮脳2=25脳30脳2=1500銕²;琛ㄩ潰绉槸5涓潰锛屽洜涓烘病鏈変笂鐩栥1125+2700+1500=...
绛旓細璁鹃渶瑕亁鍧楃爾銆傜敱棰樻剰寰楋紝15X15X2000锛25X25x锛岃В寰梮锛720
绛旓細琛ㄩ潰绉 30x25-5x5x4=650骞虫柟鍘樼背
绛旓細锛5x20x10锛+锛3.14x3²x25锛壝凤紙5x20锛=锛5x20锛夛紙10+3.14x9x0.25锛/锛5x20锛=10+3.14x9x0.25 =10+7.07 =17.07cm
绛旓細鍦嗘煴搴曢潰绉负蟺*100=100蟺锛屽渾閿ヤ綋绉负1/3x12x25蟺銆傛墍浠ュ渾鏌辨按闈笂鍗1CM
绛旓細(20x12+12x25+20x25)x2=2080