8.45*3/4+2.55*0.75-3/4 简算

旷世俗人2022-10-04 11:39:545条回答

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df453e40d40a2a82 共回答了15个问题 | 采纳率93.3%
8.45*3/4+2.55*0.75-3/4
=8.45*0.75+2.55*0.75-1*0.75
=0.75*(8.45+2.55-1)
=0.75*10
=7.5
1年前
zhuyada 共回答了4个问题 | 采纳率
(8.45-1)*3/4+2.55*0.75
=7.45*3/4+2.55*3/4
=10*3/4
=7.5
1年前
lgcuishuang 共回答了10个问题 | 采纳率
0.75=3/4
原式=(8.45+2.55-1)*0.75=7.5
1年前
清水木易 共回答了4个问题 | 采纳率
8.45*3/4+2.55*0.75-3/4
=(8.45+2.55-1)*4/3
=10*4/3
=7.5
提示:把0.75看作4/3,再看作是1
1年前
你爱咋咋滴 共回答了162个问题 | 采纳率
8.45*3/4+2.55*0.75-3/4
=3/4*(8.45+2.55-1)
=3/4*10
=30/4
=15/2
=7.5
1年前

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六年级脱式计算题(分数)(0.75-3/16)*(2/9+1/3) 【1-(1/4+3/8)】/ 1/4= == = =
六年级脱式计算题(分数)
(0.75-3/16)*(2/9+1/3) 【1-(1/4+3/8)】/ 1/4
= =
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