(7.88+6.77+5.66)×(9.31+10.98+10)—(7.88+6.77+5.66+10)×(9.31+10.
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(7.88+6.77+5.66)×(9.31+10.98+10)—(7.88+6.77+5.66+10)×(9.31+10.(7.88+6.77+5.66)×(9.31+10.98+10)—(7.88
(7.88+6.77+5.66)×(9.31+10.98+10)—(7.88+6.77+5.66+10)×(9.31+10.
(7.88+6.77+5.66)×(9.31+10.98+10)—(7.88+6.77+5.66+10)×(9.31+10.
(7.88+6.77+5.66)×(9.31+10.98+10)—(7.88+6.77+5.66+10)×(9.31+10.
=10×(7.88+6.77+5.66)-10×(9.31+10.98)
=203.1-202.9
=0.2
(7.88+6.77+5.66)×(9.31+10.98+10)—(7.88+6.77+5.66+10)×(9.31+10.
(7.88+6.77+5.66)×(9.31+10.98+10)—(7.88+6.77+5.66+10)×(9.31+10.98)怎么做
2011年1月1日是星期6,王老师生日在11月13日,那么他的生日是星期几?(7.88+6.77+5.66)*(9.31+10.98+10)—(7.88+6.77+5.66+10)*(9.31+10.98)数字0-9十个数字,且每个数字只能用一次,组成的四位数有多少个,四
几道简便运算:(求思路和过程)(1)777×6+111×58(2)20092009×2008-20082008×2009(3)a=1+3+5+.+99+101 b=2+4+6+.+98+100 则a、b两数大数比小数多多少?(4)(7.88+6.77+5.66)×(9.31+10.98+10)-(7.88
15.37*7.88-9..37*7.88+15.37*2.12-9.37*2.12简便计算
15.37*7.88-9..37*7.88+15.37*2.12-9.37*2.12简便计算
5.66×99+56.6×0.1
Nasdaq2,642.97+5.66+0.
15.37*7.88-9.37*7.88+15.37*2.12-9.37*2.12简算
37*7.88-9.37*7.88+15.37*2.12-9.37*2.12 简便方法
9.99*7.88+3.33*6.66简算
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