简算100+99.9-99.8-99.7+···+0.4+0.3-0.2-0.1
简算100+99.9-99.8-99.7+···+0.4+0.3-0.2-0.1
100+99.9-99.8-99.7+99.6+99.5-99.4-99.3+…...+0.4+0.3-0.2-0.1
小学数学中的简算题 0.1+0.2+0.3+0.4+0.5+0.6+0.7+0.8+·····+9.9
计算0.1+0.2+0.3+···+0.9+0.10+0.11+0.12+0.13+···+0.99
0.1+0.2+0.3+····+0.9+0.10+0.11+0.12+0.13+····+0.98+0.99=?计算
(0.1二次方+0.2二次方+0.3二次方+0.4二次方)的二次方除以(0.1三次方+······0.4三次方简算
简算:0.1×0.2×0.4×+0.2×0.4×0.8+0.3×0.6×1.2分之0.1×0.3×0.9×+0.2×0.
简算 100 -98 + 96 - 94 + 92 -90+··········+4-2
0.2+0.4+0.6+······+9.8等于多少
99.9+99.8-99.7=?简便计算
0、10%,0.1,20%,0.3,( )(填百分数),0.8,1.3( )(填小数)······ (找规律)
100+88+98-97-96-95+······-5+4+3+2-1=?简算