9.3除以(3.1乘5) 0.8乘[13减(3.12加5.28)] 8.1除以4.5简便运算谁能答出来 我给他加悬赏
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![9.3除以(3.1乘5) 0.8乘[13减(3.12加5.28)] 8.1除以4.5简便运算谁能答出来 我给他加悬赏](/uploads/image/z/23713-25-3.jpg?t=9.3%E9%99%A4%E4%BB%A5%283.1%E4%B9%985%29+0.8%E4%B9%98%5B13%E5%87%8F%283.12%E5%8A%A05.28%EF%BC%89%5D+8.1%E9%99%A4%E4%BB%A54.5%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E8%B0%81%E8%83%BD%E7%AD%94%E5%87%BA%E6%9D%A5+%E6%88%91%E7%BB%99%E4%BB%96%E5%8A%A0%E6%82%AC%E8%B5%8F)
9.3除以(3.1乘5) 0.8乘[13减(3.12加5.28)] 8.1除以4.5简便运算谁能答出来 我给他加悬赏
9.3除以(3.1乘5) 0.8乘[13减(3.12加5.28)] 8.1除以4.5简便运算
谁能答出来 我给他加悬赏
9.3除以(3.1乘5) 0.8乘[13减(3.12加5.28)] 8.1除以4.5简便运算谁能答出来 我给他加悬赏
简便运算:
9.3除以(3.1乘5)
=9.3/(3.1*5)
=3/5
=0.6
0.8乘[13减(3.12加5.28)]
=0.8*[13-(3.12+5.28)]
=0.8*[13-8.4]
=0.8*4.6
=4.6-0.92
=3.68
8.1除以4.5
=8.1/4.5
=81/9
=9