计算:11÷17+17÷19+20÷17+40÷19+37÷17=_.
问题描述:
计算:11÷17+17÷19+20÷17+40÷19+37÷17=______.
答
11÷17+17÷19+20÷17+40÷19+37÷17,
=
+11 17
+17 19
+20 17
+40 19
,37 17
=(
+11 17
+20 17
)+(37 17
+17 19
),40 19
=4+3,
=7.
故答案为:7.