1/4×(4.85÷5/18-3.6+6.15×33/5)+[5.5-1.75×(12/3+19/21)]=_.
问题描述:
×(4.85÷1 4
-3.6+6.15×35 18
)+[5.5-1.75×(13 5
+2 3
)]=______. 19 21
答
×(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
)+[5.5-18 5
×7 4
]54 21
=
×(17.46-3.6+22.14)+[5.5-1 4
]9 2
=
×36+11 4
=9+1
=10
故答案为:10.