下列算式中，结果与34相等的是（ ）A．3+3+3+3B．3×3×3×3C．4×4×4D．3×
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B
34=3×3×3×3．故选B．
绛旓細34=3脳3脳3脳3锛庢晠閫塀锛
绛旓細3 4 =3脳3脳3脳3锛庢晠閫塀锛
绛旓細A銆9鈭3 B銆3鈭3 C銆1鈭3 4銆涓嬮潰鍚绠楀紡涓紝缁撴灉鏈澶х殑鏄紙 锛夈侫銆34:2 B銆34梅4 C銆6梅34 5銆佹妸20鍏嬬洂鏀惧叆100鍏嬫按涓紝鐩愪笌鐩愭按鐨勬瘮鏄紙锛夈侫銆1鈭6 B銆1鈭5 C銆6鈭1 浜斻佸垽鏂锛1銆佸枩涔愯冻鐞冮槦浠3鈭0澶ц儨鍘氭湪闃燂紝璇存槑鍦ㄧ壒娈婃儏鍐典笅锛屾瘮鐨勫悗椤瑰彲浠ユ槸0銆傦紙 锛2銆1绫崇殑1...
绛旓細34脳30=锛34脳10锛壝楋紙30梅10锛=340脳3锛屾晠閫夛細A锛
绛旓細35脳21=735 A锛35脳20+1 =700+1 =701锛汢锛35脳20-35 =700-35 =665锛汣锛35脳20+35 =700+35 =735 鍙湁閫夐」C鐨缁撴灉涓鍘熼鐩哥瓑锛庢晠閫夛細C锛
绛旓細绛旀鏄細a鐩哥瓑 鍓嶈0鍋氳涔樻暟銆34鍋氫箻鏁帮紱鍚庤0鍋氳闄ゆ暟锛34鍋氶櫎鏁帮紝杩欎袱涓绠楀紡鍓嶈呮槸涔樻硶锛屽悗鑰呮槸闄ゆ硶锛屽畠浠殑杩愮畻铏界劧缁撴灉鐩稿悓锛浣嗘剰涔変笉鍚屻
绛旓細2.5 X 34 = 2.5 X 2 X 17 = 5 X 17 = 5 X 2 X 8.5 = 10 X 8.5 59.18 / 13 = 5918 / 1300 = 2959 / 650
绛旓細B.3鐨5娆℃柟鐨勭浉鍙嶆暟涓庤礋3鐨5娆 閮界瓑浜-243
绛旓細鎶34鐨涓綅鍜屽崄浣嶉鍊掍簡锛屼篃灏辨槸璇村彉鎴愪簡43.93-43=50 鎵浠ュ皬椹檸瑕佽绠楃殑姝ｇ‘绠楀紡搴旇鏄細34+50 34+50=84 绛旓細姝ｇ‘鐨缁撴灉搴旇鏄84銆
绛旓細4銆佷笅鍒楀悇缁勬暟涓,鏁板鐩哥瓑鐨勬槸( )A. B. C. D. 5銆涓嬪垪绠楀紡涓, (1)鈥8鈥3 =鈥5,(2)0鈥(鈥6)= 鈥6,(3)鈥23 = 鈥8, (4)7梅 脳7=7 姝ｇ‘鐨勪釜鏁版槸( )A. 1涓 B. 2涓 C. 3涓 D. 4涓6銆佷笅鍒楀悇棰樹腑鐨勪袱涓」,涓嶅睘浜庡悓绫婚」鐨勬槸( )A.2x2y 涓- yx2 B.1涓 -32 C.a2b涓 5...
