455×73/5+111÷5/96+43.3×76.
问题描述:
455×7
+111÷3 5
+43.3×76. 5 96
答
455×7
+111÷3 5
+43.3×765 96
=455×7.6+111×
+433×7.6,96 5
=(455+433)×7.6+111×19.2,
=888×7.6+111×19.2,
=111×8×7.6+111×19.2,
=(8×7.6+19.2)×111,
=(60.8+19.2)×111,
=80×111,
=8880.