134/19+8615/19×0.25+0.625×8615/19+8615/19×0.125=_.
问题描述:
13
+864 19
×0.25+0.625×8615 19
+8615 19
×0.125=______. 15 19
答
13
+864 19
×0.25+0.625×8615 19
+8615 19
×0.125,15 19
=13
+864 19
×(0.25+0.625+0.125),15 19
=13
+864 19
×1,15 19
=(13+86)+(
+4 19
),15 19
=99+1,
=100;
故答案为:100.