题目内容
455×7
+111÷
+43.3×76.
| 3 |
| 5 |
| 5 |
| 96 |
455×7
+111÷
+43.3×76
=455×7.6+111×
+433×7.6,
=(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.
| 3 |
| 5 |
| 5 |
| 96 |
=455×7.6+111×
| 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.
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