(13.5-33/4-4.75)÷{11/2×(△+41/14)÷11/7}=1/30 求△等于好多
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(13.5-33/4-4.75)÷{11/2×(△+41/14)÷11/7}=1/30 求△等于好多
(13.5-33/4-4.75)÷{11/2×(△+41/14)÷11/7}=1/30 求△等于好多
(13.5-33/4-4.75)÷{11/2×(△+41/14)÷11/7}=1/30 求△等于好多
(13.5-33/4-4.75)÷{11/2×(△+41/14)÷11/7}=1/30
(13.5-13)÷{11/2×(△+41/14)÷11/7}=1/30
0.5÷{11/2×(△+41/14)÷11/7}=1/30
11/2×(△+41/14)÷11/7=15
7/2(△+41/14)=15
△+41/14=30/7
△=19/14
(13.5-33/4-4.75)÷{11/2×(△+41/14)÷11/7}=1/30
(13.5-8.25-4.75)÷(11/2x7/11x(△+41/14))=1/30
0.5÷(7/2△+41/4)=1/30
0.5÷(3.5△+10.25)=1/30
30x0.5=3.5△+10.25
3.5△=15-10.25
3.5△=4.75
△=4.75÷3.5
△=19/4÷7/2
△=19/14
额
(13.5-33/4-4.75)÷{11/2×(△+41/14)÷11/7}=1/30
(13.5-33/4-11/4)÷{11/2×(△+41/14)×7/11}=1/30
[13.5-(33/4+11/4)]÷{(11/2×7/11)×(△+41/14)}=1/30
(13.5-11)÷{(7/2×(△+41/14...
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(13.5-33/4-4.75)÷{11/2×(△+41/14)÷11/7}=1/30
(13.5-33/4-11/4)÷{11/2×(△+41/14)×7/11}=1/30
[13.5-(33/4+11/4)]÷{(11/2×7/11)×(△+41/14)}=1/30
(13.5-11)÷{(7/2×(△+41/14)}=1/30
5/2 ={(7/2×(△+41/14)}×1/30
5/2=7/60×(△+41/14)}
5/2×60/7=(△+41/14)
150/7=△+41/14
△=300/14-41/14
△=259/14
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(13.5-33/4-4.75)÷{11/2×(△+41/14)÷11/7}=1/30
(27/2-33/4-19/4)÷{11/2×(△+41/14)×7/11}=1/30
1/2÷{1/2×(△+41/14)×7}=1/30
1/2×30=1/2×(△+41/14)×7
15=7△/2+41/4
7△/2=19/4
△=19/4×2/7=19/14
先将式子中的小数化成分数
即 13.5=27/2 4.75=19/4
则原式化为(27/2-33/4-19/4 )÷{11/2×(△+41/14)÷11/7}=1/30
然后通分得
(378/28-231/28-133/28)÷{154/28×(△+82/28)÷44/28}=1/30
化简
得14/28÷{154/28×(△+82/28...
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先将式子中的小数化成分数
即 13.5=27/2 4.75=19/4
则原式化为(27/2-33/4-19/4 )÷{11/2×(△+41/14)÷11/7}=1/30
然后通分得
(378/28-231/28-133/28)÷{154/28×(△+82/28)÷44/28}=1/30
化简
得14/28÷{154/28×(△+82/28)÷44/28}=1/30
移项
得11/2×(△+41/14)÷11/7=15
约分
得(△+41/14)×7/2=15
化简
得△+41/14=30/7
移项
得 △=19/14
收起