●求出下面( )中的數:【列出算式及答案】
(1) 144/( )*15-36=234
(2) 73-16*( )+127=24
(3)( )/15*22-183=125
2006-01-19 13:59:06 · 9 個解答 · 發問者 Kevin 3 in 科學 ➔ 數學
234+36=270 270/15=18()=144/18=873+127-24=16*() ()=176/16=11125+183=308()=308/22*15=210
2006-01-19 14:10:53 · answer #1 · answered by ? 4 · 0⤊ 0⤋
(1) 144/( )*15-36=234
144/( )*15=234+36
144/( )=270/15
( )=144/18=8
A:8
(2) 73-16*( )+127=24
73+127-24=16*( )
16*( )=176
( )=176/16=11
A:11
(3)( )/15*22-183=125
( )/15*22=125+183
( )/15=308/22
( )=14
A:14
2006-01-20 10:50:01 · answer #2 · answered by ? 2 · 0⤊ 0⤋
(1)
144/( )*15-36=234
→144/()*15=234+36=270
→144/270=( )*15
→( )*15=144/270=8/15
→( )=8/225
(2)
73-16*( )+127=24
→73+127-24=16*( )
→16*( )=176
→( )=176/16=11
(3)
( )/15*22-183=125
→( )/15*22=125+183=308
→( )/330=308
→( )=308*330=101,640
2006-01-20 08:28:28 · answer #3 · answered by 銘俊 洪 2 · 0⤊ 0⤋
1.144/( )*15-36=234
144/( )*15=234+36 =>144/( )*15=270 =>144/( )=270/15 =>144/( )=18 =>144/18=( )
( )=8
2. 73-16*( )+127=24
-16*( )=24-127-73 => -16*( )=-176 => ( )=-176/-16
( )=11
3.( )/15*22-183=125
( )/15*22=125+183 => ( )/15*22=308 => ( )/15=308/22 =>( )=14*15
( )=210
2006-01-19 22:55:19 · answer #4 · answered by 雪 3 · 0⤊ 0⤋
(1) 144/( )*15-36=234 144/( )*15=234+36 144/( )*15=270 144/( )=270/15 144/( )=18 ( )=144/18=8(2) 73-16*( )+127=24 73+127-24=16*( ) 176=16*( ) ( )=176/16=11(3)( )/15*22-183=125 ( )/15*22=125+183 ( )/15*22=308 ( )/15=308/22 ( )/15=14 ( )=14*15=210
2006-01-19 19:46:22 · answer #5 · answered by 夏 雨天 4 · 0⤊ 0⤋
如果你那條斜線代表除法的話~
(1)144/( )*15-36=234
144÷( )×15=234+36=270
144÷( )=270÷15=18
144÷( )=18
( )=8
(2) 73-16*( )+127=24
把它看成七十三減十六乘()再加上一百二十七~
因為交換律和結合律之故~
你可以先做73+127=200
下一步驟是
200-16×( )=24
想想看兩百減誰會是二十四
200-24=176
16×( )=176
( )=11
(3)( )/15*22-183=125
()÷15×22=125+183=308
()÷15×22=308
()÷15=308÷22=14
()=14×15=210
希望過程你看滴懂唷^^
加油啦^^不難啦^^
2006-01-19 14:24:51 · answer #6 · answered by miss6skyst 1 · 0⤊ 0⤋
(1).234+36=270 , 270/15=144/X → 2160=270X ,X=2160/270 所以X答案為8(2).24-127=(-103) ,-103-73=-176 , -176/-16=11,所以答案為11(3).125+183=308 ,308/22=14,14*15=210,所以答案為210
2006-01-19 14:22:07 · answer #7 · answered by 大師級-專業回答 6 · 0⤊ 0⤋
(1) 144/( )*15-36=234
144/( )*15=234+36
144/( )=270/15
( )=144/18=8
(2) 73-16*( )+127=24
73+127-24=16*( )
16*( )=176
( )=176/16=11
(3)( )/15*22-183=125
( )/15*22=125+183
( )/15=308/22
( )=14
2006-01-19 14:11:04 · answer #8 · answered by 繽紛 2 · 0⤊ 0⤋
(1)
144
--- ╳ 15 - 36 = 234
( )
SOL:
144
--- ╳ 15 = 234+36 =270
( )
===> 144 270
--- = --- = 18
( ) 15
144
===> ( ) = --- = 8
18
所以答案等於8
(2)
73 - 16 ╳( )+ 127 =24
SOL:
===> - 16 ╳ ( ) =24 - 200 = -176
-176
===> ---- = 11 = ( )
-16
所以答案等於11
(3)
( )
--- ╳ 22 - 183 =125
15
SOL:
( )
--- ╳ 22 = 125 + 183 = 308
15
( ) 308
--- = --- = 14
15 22
===> ( ) = 14 ╳ 15 = 210
所以答案等於210
2006-01-19 14:09:42 · answer #9 · answered by ? 5 · 0⤊ 0⤋