六年级数学简便计算 回家作业,明天要交的,请各位帮帮忙!!
(1)(5/9*4.5-2/1.25)/7(2)(4-35/65*5.2)/0.01(3)18.25*59/5-(17+1/4)/(1-54/59)(4)0.1/(3.3...
(1) (5/9*4.5-2/1.25)/7
(2) (4-35/65*5.2)/0.01
(3) 18.25*59/5-(17+1/4)/(1-54/59)
(4) 0.1/(3.3-(2.4+18/5/6))
(5) 0.5*236*59/119 展开
(2) (4-35/65*5.2)/0.01
(3) 18.25*59/5-(17+1/4)/(1-54/59)
(4) 0.1/(3.3-(2.4+18/5/6))
(5) 0.5*236*59/119 展开
2个回答
展开全部
(1) ((5/9)×(9/2)-2/(5/4))/7=(5/2-5/2)/7=0 (2) (4-(35/65)×(26/5))÷(1/100)=(4-14/5)×100=120
(3) 18.25×(59/5)-17.25×(59/5)=(18.25-17.25)×(59/5)=59/5
(4) 0.1/(3.3-(2.4+18/5/6)) =1/10/(0.9-0.6)=1/3
(5) 0.5*236*59/119=½×236×59/119=118×59/119
不知道这样行不行啊
(3) 18.25×(59/5)-17.25×(59/5)=(18.25-17.25)×(59/5)=59/5
(4) 0.1/(3.3-(2.4+18/5/6)) =1/10/(0.9-0.6)=1/3
(5) 0.5*236*59/119=½×236×59/119=118×59/119
不知道这样行不行啊
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