问题
解答题
|
答案
÷(19
+35 9
-5.229 10 19
-65 9
+5.2227 50
+1993×0.4 1995×0.5
),1.6 1995
=
÷19
-1.325 9 19
-1.325 9
,1993×0.4+0.8 1995×0.5
=1÷
,0.4×(1993+2) 1995×0.5
=1÷
,4 5
=
.5 4
|
÷(19
+35 9
-5.229 10 19
-65 9
+5.2227 50
+1993×0.4 1995×0.5
),1.6 1995
=
÷19
-1.325 9 19
-1.325 9
,1993×0.4+0.8 1995×0.5
=1÷
,0.4×(1993+2) 1995×0.5
=1÷
,4 5
=
.5 4