167x2 ＋167x3 ＋167x5，简便计算？ 167x2+167x3+167x5=167x几

162x2+167x3+167x5\u600e\u4e48\u7b80\u4fbf?

162x2+167x3+167x5
=(167-5)x2+167x3+167x5
=167x(2+3+5)-5x2
=167x10-10
=1670-10
=1660

167x10\u56e0\u4e3a\u6211\u4eec

简便计算四年级下167x2+167ⅹ2+167x5

167*（2+3+5）=167*10=1670

167×2 ＋167×3 ＋167×5
=167×(2+3+5)
=167×10
=1670

167×2+167×3+167×5
=167×（2+3+5）
=167×10
=1670