问题
填空题
|
答案
×(4.85÷1 4
-3.6+6.15×35 18
)+[5.5-1.75×(13 5
+2 3
)]19 21
=
×(4.85×1 4
-3.6+6.15×18 5
)+[5.5-1.75×18 5
]18 7
=
×[3.6×(4.85-1+6.15)]+[5.5-1 4
×7 4
]18 7
=
×3.6×10+[5.5-4.5]1 4
=9+1
=10;
故答案为:10.