Tính Bằng Cách Thuận Tiện
9.25 :1.25:8
tim x
x:0,1+x:0,25+x:0,5 +x.4 =2018 câu hỏi 1587252 - hoidap247.com

Question

Tính Bằng Cách Thuận Tiện 
9.25 :1.25:8
tim x
x:0,1+x:0,25+x:0,5 +x.4 =2018

Thanh21isme · Answer

Đáp án:
a)=0,925" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">a)=0,925a)=0,925
b)x=100,9" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18.15px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">b)x=100,9b)x=100,9
b)x=100,9" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18.15px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">Giải thích
a)" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">a)9,25:1,25:8" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18.15px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">9,25:1,25:89,25:1,25:8=9,25:(1,25.8)" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">=9,25:(1,25.8)=9,25:(1,25.8)=9,25:10" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18.15px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">=9,25:10=9,25:10=0,925" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">=0,925=0,925b)" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18.15px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">b)x:0,1+x:0,25+x:0,5+x.4=2018" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">x:0,1+x:0,25+x:0,5+x.4=2018x:0,1+x:0,25+x:0,5+x.4=2018&#x21D2;x&#xD7;10+x&#xD7;4+x&#xD7;2+x.4=2018" role="presentation" style="margin: 0px; padding: 1px 0px; line-height: 0; text-indent: 0px; text-align: center; text-transform: none; font-weight: normal; font-size: 18.15px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 14.601em; min-height: 0px; border: 0px; width: 10000em; position: relative; display: table-cell !important;" tabindex="0">》x×10+x×4+x×2+x.4=2018》x×10+x×4+x×2+x.4=2018&#x21D2;x&#xD7;(10+4+2+4)=2018" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">》x×(10+4+2+4)=2018》x×(10+4+2+4)=2018&#x21D2;x&#xD7;20=2018" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18.15px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">》x×20=2018》x×20=2018&#x21D2;x=2018:20" role="presentation" style="margin: 0px; padding: 1px 0px; display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-weight: normal; font-size: 18px; letter-spacing: normal; overflow-wrap: normal; word-spacing: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; position: relative;" tabindex="0">》x=2018:20》x=2018:20
 Chúc bạn học tốt😶 mik xin ctlhn ạ

Lovemath123 · Answer

Đáp án:
`a)=0,925`
`b)x=100,9`
Giải thích các bước giải:
`a)``9,25 :1,25:8``=9,25:(1,25.8)``=9,25:10``=0,925``b)``x:0,1+x:0,25+x:0,5 +x.4 =2018``=>x xx 10 + x xx 4+x xx2+x.4=2018``=>x xx(10+4+2+4)=2018``=>x xx20=2018``=>x=2018:20``=>x=100,9`

Tính Bằng Cách Thuận Tiện 9.25 :1.25:8 tim x x:0,1+x:0,25+x:0,5 +x.4 =2018

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Tính Bằng Cách Thuận Tiện 9.25 :1.25:8 tim x x:0,1+x:0,25+x:0,5 +x.4 =2018

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