您好,以下是一些四年级下小数点加减法方程式的例子:
1. 0.5 + 0.3 = x
解:x = 0.8
2. 1.2 - 0.7 = x
解:x = 0.5
3. 0.4 + 0.6 + 0.8 = x
解:x = 1.8
4. 2.5 - 1.3 - 0.4 = x
解:x = 0.8
5. 0.7 + 0.9 - 0.2 = x
解:x = 1.4
8×2.5-2X=13.620-2X=13.62X=20-13.62X=6.4X=6.4÷2X=3.2
您好,以下是一些四年级下小数点加减法方程式的例子:
1. 0.5 + 0.3 = x
解:x = 0.8
2. 1.2 - 0.7 = x
解:x = 0.5
3. 0.4 + 0.6 + 0.8 = x
解:x = 1.8
4. 2.5 - 1.3 - 0.4 = x
解:x = 0.8
5. 0.7 + 0.9 - 0.2 = x
解:x = 1.4
8×2.5-2X=13.620-2X=13.62X=20-13.62X=6.4X=6.4÷2X=3.2
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