一立方细沙子沏多少片小红砖？
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绛旓細2. 鐮屼竴绔嬫柟澧欎綋闇瑕澶氬皯绾㈢爾锛- 澶х害闇瑕521.8鍧楁爣鍑嗙爾銆- 鑰冭檻鍒3%鐨勬崯鑰楅噺锛涓绔嬫柟绫闇瑕佹秷鑰楃殑鏍囧噯鐮栧ぇ绾︿负545鍧椼3. 寤洪犳埧灞嬫椂鍝鐮傛祮绫诲瀷鏇村悎閫傦細- M5鍜孧7.5涓ょ鐮傛祮鏄彲浠ヨ冭檻鐨勯夐」銆- M5姘存偿鐮傛祮涓紝姘存偿涓娌欏瓙鐨勯噸閲忔瘮涓1:5.23銆備竴绔嬫柟绫冲浣撻渶瑕佺殑姘存偿鐮傛祮閲忎负0.238绔嬫柟绫筹紝鍏朵腑...
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绛旓細涓鑸儏鍐典笅锛屾瘡500鍧绾㈢爾闇瑕1琚嬫按娉ワ紙绾50kg锛夊拰4绔嬫柟绫虫矙瀛銆傚浜庢瘡10骞虫柟绫崇殑澧欎綋锛岄渶瑕4绔嬫柟绫虫矙瀛愬拰1琚嬫按娉ャ3. 娌欏瓙鐨勬婚噺 鑰冭檻鍒版瘡骞虫柟绫冲浣撻渶瑕佸ぇ绾0.18绔嬫柟绫虫矙瀛愶紝瀵逛簬90骞虫柟绫崇殑澧欎綋锛屾诲叡闇瑕16.2绔嬫柟绫虫矙瀛愩傚姞涓30鍘樼背鍘氱殑澧欎綋涓や晶鍚30鍘樼背鐨勪几缂╃紳锛屾诲叡闇瑕佺殑娌欏瓙閲忎负16.2 + (0.3...
绛旓細鐮屼竴骞虫柟绫24澧欓渶瑕128鍧楁櫘閫绾㈢爾鎴栬64鍧楃┖蹇冪爾锛15.7kg姘存偿锛84kg榛勬矙銆 涓涓珛鏂硅528鍧楁櫘閫氱孩鐮栵紝姘存偿瑕65kg锛娌瑕350kg銆傚叿浣撹绠楄繃绋嬪涓嬶細1銆侀偅涔堟瘡绔嬫柟绫澧欎綋鐢ㄧ爾鏄1/0.00189=529鍧.鐮傛祮鐢ㄩ噺鏄1/0.00146=684鍧.684-529=155鍧*0.00146=0.226绔嬫柟绫(璁＄畻娌¤冭檻鎹熻) 锛2銆佹瘡鍧楃爾鐨勫疄闄...
绛旓細鐞嗚涓婃瘡绔嬫柟绫512鍧,闇瑕0.77X2.1X0.24X512锛198.6绛変簬199鍧,瀹為檯198~204鍧楃爾,鍗虫瘡灞6鍧楋紙鐏扮紳鎷夊ぇ涓鐐癸級,鍏33~34灞傦紙33灞傜爾鐏扮紳澶х偣锛変緵闇6X33=198鍧梸6X34=204鍧.閫氬父鐮傛祮鍙互閲囩敤M1.0鎴朚2.5鐮傛祮鐢0.77X0.24X2.1-0.24X0.115X0.053X198锛0.098绔嬫柟绫,娣峰悎鐏版椂鐢ㄦ按娉7锝10鍏枻...
