请用简便运算谢谢哦呃
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请用简便运算谢谢哦呃
请用简便运算谢谢哦呃
请用简便运算谢谢哦呃
7/10÷9+3/10×1/9
=7/10×1/9+3/10×1/9
=(7/10+3/10)×1/9
=1×1/9
=1/9
=7/10 X 1/9+3/10 X 1/9
=(7/10+3/10)X1/9
=1X 1/9
=1/9
请用简便运算谢谢哦呃
请用简便运算谢谢哦呃
请用简便运算谢谢哦呃
7/10÷9+3/10×1/9
=7/10×1/9+3/10×1/9
=(7/10+3/10)×1/9
=1×1/9
=1/9
=7/10 X 1/9+3/10 X 1/9
=(7/10+3/10)X1/9
=1X 1/9
=1/9