2005×3/8−1949÷22/3+33/4×10.4.
问题描述:
2005×
−1949÷23 8
+32 3
×10.4. 3 4
答
2005×
−1949÷23 8
+32 3
×10.4,3 4
=2005×
-1949×3 8
+38 3
×10.4,3 4
=(2005-1949)×
+38 3
×10.4,3 4
=56×
+38 3
×10.4,3 4
=21+39,
=60.