计算:844/19×1.375+1055/19×0.9=_.
问题描述:
计算:84
×1.375+1054 19
×0.9=______. 5 19
答
84
×1.375+1054 19
×0.9,5 19
=(84+
)×4 19
+(105+11 8
)×5 19
,9 10
=115.5+
+94.5+11 38
,9 38
=210+
,10 19
=210
.10 19
故答案为:210
.10 19