方程的一些題,快
方程的一些題,快
心算
5x + 12x = 19a - 8a = 5.7b + 6.2b =
16x - 2x = 32a + 9a = 8.3b - 5.2b =
20.3t + 12.5t = 4.3x - 2.1x = 7.5a - 3.4a =
x 丶x = 4a × 5 = 6a + 5a =
12y + 8y = 3x × 0 = a×a×a =
9.4x + 6.6x = 16t - 13.4t = 12x -8.3x =
2.筆算(解下列方程)
10x - 25 =30 0.5x + 28 =52 8x -36 = 42
9.25 + 2x =22.35 3.5x - 6 =4.5 6.5x + 9 =28.5
心算
5x + 12x = 19a - 8a = 5.7b + 6.2b =
16x - 2x = 32a + 9a = 8.3b - 5.2b =
20.3t + 12.5t = 4.3x - 2.1x = 7.5a - 3.4a =
x 丶x = 4a × 5 = 6a + 5a =
12y + 8y = 3x × 0 = a×a×a =
9.4x + 6.6x = 16t - 13.4t = 12x -8.3x =
2.筆算(解下列方程)
10x - 25 =30 0.5x + 28 =52 8x -36 = 42
9.25 + 2x =22.35 3.5x - 6 =4.5 6.5x + 9 =28.5
數(shù)學(xué)人氣:739 ℃時間:2020-05-07 05:42:37
優(yōu)質(zhì)解答
心算5x + 12x =17x 19a - 8a = 11a 5.7b + 6.2b =11.9b16x - 2x = 14x 32a + 9a = 41a 8.3b - 5.2b =3.1b20.3t + 12.5t =32.8t 4.3x - 2.1x =2.2x 7.5a - 3.4a =4.1ax 丶x = 4a × 5 = 20a 6a + 5a =11a12y + 8y =20...
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