47×67+352-51×59+0.0.7+14.9.2=______.-数学

题目简介

47×67+352-51×59+0.0.7+14.9.2=______.-数学

题目详情

47×67+352-51×59+0.0
7
+14.9
2
=______.
题型:解答题难度:中档来源:不详

答案

47×67+352-51×59+0.0
7
+14.9
2

=3149+1225-3009+class="stub"7
90
+14.9+class="stub"2
90

=3149+1225-3009+14.9+(class="stub"7
90
+class="stub"2
90

=3149+1225-3009+14.9+0.1
=(3149-3009)+(14.9+0.1)+1225
=140+15+1225
=140+(15+1225)
=140+1240
=1380
故答案为:1380.

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