5.66×99+56.6×0.1
5.66×99+56.6×0.1
5.66*99+56.6*0.1(简便方法脱式计算)
0.1*99等于
(1+0.1)+(2+0.1*2)+(3+0.1*3)+...+(99+0.1*99)+(100+0.1*100)等于几
7.85×99+78.5×0.1简便计算.
3.8*99+38*0.1的简便计算
3.6*99+3.6 2.8*99+28*0.1 78*101-78 0.87*8.7*99 简算
① 0.67×99+6.7×0.1 ② 44444×33334+33333×88888
怎样用99%的酒精配制0.1%的酒精
1:49.9²+9.98+0.1² 2:99²+199
(7.88+6.77+5.66)×(9.31+10.98+10)—(7.88+6.77+5.66+10)×(9.31+1
(7.88+6.77+5.66)×(9.31+10.98+10)-(7.88+6.77+5.66+10)×(9.31+1