42x6怎么算？ 怎样简便就怎样计算42X6Ⅹ420 39X42=?

42x62\u7684\u7ad6\u5f0f\u8ba1\u7b97\uff1f

42+6\u00d7420+39\u00d742
\uff1d42\u00d7\uff081+60+39\uff09
\uff1d42\u00d7\uff0861+39\uff09
\uff1d42\u00d7100
\uff1d4200

42×6的竖式计算:

所以，42×6=252

列竖式，如下：

r

42x6
=(40+2)x6
=40x6+2x6
=240+12
=252

42✘6答案是432

42x6.51+3.49x4.2绠渚胯绠鎬庝箞绠?
绛旓細42x6.51+3.49x4.2绠渚胯绠鎬庝箞绠楋紵浣犲ソ锛屾垜浠粩缁嗚瀵熶竴涓嬭繖涓畻寮忓氨浼氬彂鐜帮紝4.2鍜42涔嬮棿鏄湁鍏宠仈鐨勶紝閭ｄ箞鎴戜滑鍙互鎶婂畠鍏堝彉鎹负4.2脳65.1+3.49脳4.2锛屼篃灏辨槸:4.2脳锛65.1+3.49锛=288.078銆

鐢ㄧ畝渚璁＄畻娉106X42涓42x6
绛旓細鐢ㄧ畝渚璁＄畻娉 106X42涓42x6 =42脳(106-6)=42脳100 =4200

鎬庢牱绠渚垮氨鎬庢牱璁＄畻42X6鈪420 39X42=?
绛旓細42+6脳420+39脳42 锛42脳锛1+60+39锛夛紳42脳锛61+39锛夛紳42脳100 锛4200

210x42x6绠渚璁＄畻鏂规硶?
绛旓細210脳42脳6 =210脳7脳6脳6 =1470脳36 =1470脳锛40锛4锛=1470脳40锛1470脳4 =58800锛5880 =52920

15X42X6绠渚胯繍绠?
绛旓細绠渚璁＄畻 15X42X6 =15X42X2x3 =锛15x2锛墄锛42x3锛=30x126 =3780

588闄や互42✖️6鎬庝箞绠渚绠?
绛旓細588梅42脳6 锛588梅(42梅6)锛588梅7 锛84

42*6*15/(21*5)宸х畻
绛旓細42*6*15/(21*5)宸х畻 =42x6x15梅21梅5 =锛42梅21锛墄锛15梅5锛墄6 =2x3x6 =36

鐢ㄧ畝渚挎柟娉璁＄畻630梅42x6
绛旓細630/42*6 =630*6/42 =630/7 =90 濡傛灉婊℃剰璁板緱閲囩撼鍝︼紒浣犵殑濂借瘎鏄垜鍓嶈繘鐨勫姩鍔涖(*^__^*) 鍢诲樆鈥︹︽垜鍦ㄦ矙婕犱腑鍠濈潃鍙彛鍙箰锛屽敱鐫鍗℃媺ok锛岄獞鐫鐙瓙璧剁潃铓傝殎锛屾墜涓嬁鐫閿洏涓轰綘绛旈锛侊紒锛

241梅42x6绠渚胯繍绠
绛旓細241梅42x6绠渚胯繍绠 =241梅锛42梅6锛=241梅7 =241/7 =34鍙3/7

42x6+14梅2鍔犱笂鎷彿,鍐嶅嚭鏂扮殑绠楀紡
绛旓細42x6+14梅2鍔犱笂鎷彿,鍐嶅嚭鏂扮殑绠楀紡 42x锛6+14锛壝2 锛42x20梅2 =840梅2 =420 42x(6+14梅2)=42x(6+7)=42x13 =546 (42x6+14)梅2 =(252+14)梅2 =266梅2 =133

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