Marker-6954
Marker-1267
Marker-4215
Marker-5905
Marker-1028
Marker-7380
Marker-7410
Marker-4488
Marker-1772
Marker-9360
Marker-3218
Marker-3291
Marker-2931
Marker-6522
Marker-5458
Marker-8731
Marker-8998
Marker-6347
Marker-1010
Marker-4999
Marker-7664
Marker-8755
Marker-4253
Marker-1383
Marker-3720
Marker-1396
Marker-4448
Marker-6378
Marker-9725
Marker-8326
Marker-9422
Marker-2059
Marker-1226
Marker-4748
Marker-2214
Marker-7482
Marker-1793
Marker-1174
Marker-2256
Marker-7670
Marker-7463
Marker-3169
Marker-7409
Marker-2531
Marker-5427
Marker-4013
Marker-5790
Marker-5827
Marker-9400
Marker-2566
Marker-7507
Marker-8997
Marker-2896
Marker-8791
Marker-8047
Marker-3250
Marker-6813
Marker-6208
Marker-6235
Marker-3462
Marker-2870
Marker-6536
Marker-1553
Marker-2766
Marker-1477
平行四边形面积公式推导 - 割补法演示
Marker-8602
Marker-1046
Marker-1123
Marker-2610
Marker-8503
Marker-8038
Marker-7299
Marker-4446
Marker-8812
Marker-7034
Marker-5787
Marker-6156
Marker-3675
Marker-2649
Marker-9061
Marker-9305
Marker-3860
Marker-4382
Marker-3272
Marker-3513
Marker-1511
Marker-6213
Marker-2866
Marker-8268
Marker-2349
Marker-3230
Marker-1253
Marker-3744
Marker-2165
Marker-8158
Marker-5198
Marker-3016

📊 实时数据监测

底边 (a) 0
高 (h) 0
当前面积计算
S = 0

💡 教学引导

尝试拖动平行四边形的顶点，观察底和高的变化。点击“割补演示”看看它是如何变成长方形的。

Marker-8097
Marker-9409
Marker-8402
Marker-6382
Marker-8659
Marker-7302
Marker-4390
Marker-2708
Marker-4999
Marker-6193
Marker-8168
Marker-9286
Marker-8315
Marker-4614
Marker-2640
Marker-1860
Marker-9746
Marker-7585
Marker-7810
Marker-1127
Marker-3969
Marker-3029
Marker-1412
Marker-8850
Marker-7880
Marker-2103
Marker-6124
Marker-6979
Marker-8075
Marker-8702
Marker-2038
Marker-6023