1/6+1/66+1/176+1/336(简算)
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1/6+1/66+1/176+1/336(简算)1/6+1/66+1/176+1/336(简算)1/6+1/66+1/176+1/336(简算)1/6+1/66+1/176+1/336=11/66+1
1/6+1/66+1/176+1/336(简算)
1/6+1/66+1/176+1/336(简算)
1/6+1/66+1/176+1/336(简算)
1/6+1/66+1/176+1/336
=11/66+1/66+1/176+1/336
=12/66+1/176+1/336
=2/11+1/176+1/336
=32/176+1/176+1/336
=33/176+1/336
=3/16+1/336
=63/336+1/336
=64/336
=4/21
1/6+1/66+1/176+1/336
=(5/6+5/66+5/176+5/336)÷5
=(1-1/6+1/6-1/11+1/11-1/16+1/16-1/21)÷5
=(1-1/21)÷5
=20/21÷5
=4/21
1/6+1/66+1/176+1/336(简算)
1/6+1/24+1/60+1/120+1/210+1/336=?
1/6+1/24+1/48/+1/120+1/210+1/336+1/512用简便方法
1/120+1/210+1/336+1/504=?
x+1/6+1/24+1/60+1/120+1/336=1/4,则x是多少,
x+1/6+1/24+1/60+1/120+1/336=1/4,则x是多少
1/3+1/6+1/10+1/15+1/21+1/28+1/36+1/45+1/55+1/66
1/3+1/6+1/10+1/15+1/21+1/28+1/36+1/45+1/55+1/66
(25%+1)x+(x+6)×(1+20%)=66
1-4+5+6+6+6+66+6++6+66+6+666++66等于几可以换位
1/6+1/12+1/36+1/66+1/99=?123
6分之1+24分之1+60分之1+120分之1+210分之1+336分之1+112分之1=?
6分之1+24分之1+60分之1+120分之1+210分之1+336分之1+112分之1等于?
1+1+1+5+5+55+6+6+6+66+6+
336/1+6/1+24/1+60/1+120/1+210/1336/1+6/1+24/1+60/1+120/1+210/1/是除没的错比如60/1=60分之1
一道简算数学题97*(1/79-1/176)-176*(1/79-1/97)-79*(1/176-1/97) 结果是什么?过程是什么样的啊
1/3+1/6+1/10+1/15+1/21+1/28+1/36+1/45+1/55+1/66+1/78+1/91
1+1/3+1/6+1/10+1/15+1/21+1/28+1/36+1/45+1/55+1/66+.+1/2021055