33/22=()/66=66/() ()/4=36/16=72/() 7/()=14/()=35/15
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33/22=()/66=66/() ()/4=36/16=72/() 7/()=14/()=35/15
33+22*55=66*( )
-66x176-33x(-68)+22x126(简便运算)
-66x176-33x(-68)+22x126 简算 谢
66×11+22×67=()简便计算
66×4=( )×4+( )×( )
11+22+33+44+55+66+66+55+44+33+22+11=?
66*101-66=多少(用递等式)
33/22=()/66=66/() ()/4=36/16=72/() 7/()=14/()=35/15 14/6=()/2=4/()还有一题是9/5=18/()=()/15
11.22.33.44.55.66.77.88.把11,22,33,44,55,66,77,88,分别填入括号里,(每个数字只能用一次) ()-()=()-()=()-()=()-()
99*11+33*23+66*22(99+69+132)*11=(100+70+130)*11这一步从哪儿来
请问66+33等于几?(团)
(-11)-(-22)-(-33)-(-44)-(-55)-(-66)=?要过程
--66x176--33x(-68)+22x126=
1+22+33+44+55+66……+99=
计算:(+13 1/23)+(-55 1/33)+(+7 21/46)+(-14 5/66)=?
11*22+22*33+33*44+44*55+55*66+66*77+77*88+88*99=
(11+22+33+44+55+66+77+88+99)-200