计算.(1)0.01+0.02+0.03+…+0.98+0.99(2)1+1.2+1.4+1.6+1.8+…+9.6+9.8+10

问题描述:

计算.(1)0.01+0.02+0.03+…+0.98+0.99(2)1+1.2+1.4+1.6+1.8+…+9.6+9.8+10
(1)0.01+0.02+0.03+…+0.98+0.99
(2)1+1.2+1.4+1.6+1.8+…+9.6+9.8+10

(1)原式=0.01+0.99+0.2+0.98……+0.5=1+1+……+0.5=49.5
(2)原式=1+10+1.2+9.8+1.4+9.6+……5.4+5.6=11*8=88