100+99.9-99.8-99.7+99.6+99.5-99.4-99.3+…...+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
简算100+99.9-99.8-99.7+···+0.4+0.3-0.2-0.1
99.9+99.8-99.7=?简便计算
A=[0.3 -0.2 -0.1 0.3;-0.2 0.1 0.1 -0.1;0.7 -0.2 0.2 0.4;0.1
求函数公式,合格率为100%质量奖12元,99.5-99.9之间奖8元,95-99.4为0元,95%以下罚款2元,
0.1+0.2+0.3+0.4+...+9.7+9.8=
0.1+0.2+0.3+0.4.+9.8等于多少?
(0.2+0.4+0.6+…+9.8+10)-(0.1+0.3+0.5+…+9.7+9.9)简便计算
0.1+0.2+0.3+0.4+0.5+0.7+0.9+0.11+0.13+0.15+0.17+0.19……+0.99等
从“0.1+0.2+0.3+0.4+0.5……+1.8+1.9+2,用乘法计算.
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.
(0.1*0.3*0.9+0.2*0.6*1.8+0.3*0.9*2.9)除以(0.1*0.2*0.4+0.2*0.4*