The children are already learning to multiply and divide.
孩子们已经开始学习乘法和除法了。
His son is learning to multiply and divide.
他儿子正在学习乘法和除法。
Their first device could add, subtract, multiply and divide.
他们的第一款装置可以进行加、减、乘、除运算。
By the end of fifth grade, they should be able to multiply and divide.
在五年级结束，他们应该能做乘除法。
The little boy can add, subtract and multiply , but cannot divide.
那小男孩会做加法、减法和乘法，但不会做除法。
The little boy can add, subtract and multiply, but cannot divide.
那小男孩会做加法、减法和乘法，但不会做除法。
The little boy can add, subtract and multiply, but cannot divide.
那小男孩会做加法、减法和乘法，但不会做除法。
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