23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378=_.
问题描述:
23.42+46.84×0.5378×
+0.5378×46.84×0.75-8×46.84×0.125×0.5378=______. 1 4
答
23.42+46.84×0.5378×14+0.5378×46.84×0.75-8×46.84×0.125×0.5378,=0.5378×46.84×(0.25+0.75-0.125×8)+23.42,=0.5378×46.84×(1-1)+23.42,=0+23.42,=23.42;故答案为:23.42.