7.3×4.5-4.5 5.9×10.1 这两道题用简便运算怎么算?请快速解答,一天内.
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![7.3×4.5-4.5 5.9×10.1 这两道题用简便运算怎么算?请快速解答,一天内.](/uploads/image/z/33762-66-2.jpg?t=7.3%C3%974.5-4.5+5.9%C3%9710.1+%E8%BF%99%E4%B8%A4%E9%81%93%E9%A2%98%E7%94%A8%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E6%80%8E%E4%B9%88%E7%AE%97%3F%E8%AF%B7%E5%BF%AB%E9%80%9F%E8%A7%A3%E7%AD%94%2C%E4%B8%80%E5%A4%A9%E5%86%85.)
7.3×4.5-4.5 5.9×10.1 这两道题用简便运算怎么算?请快速解答,一天内.
7.3×4.5-4.5 5.9×10.1 这两道题用简便运算怎么算?
请快速解答,一天内.
7.3×4.5-4.5 5.9×10.1 这两道题用简便运算怎么算?请快速解答,一天内.
7.3×4.5-4.5
=(7.3-1)×4.5
=6.3×4.5
=28.35
5.9×10.1
=5.9×10+5.9×0.1
=59+0.59
=59.59