(1)79+229=______;(2)12-718=______.-数学

题目简介

(1)79+229=______;(2)12-718=______.-数学

题目详情

(1)
7
9
+2
2
9
=______;
(2)12-7
1
8
=______.
题型:填空题难度:中档来源:不详

答案

(1)class="stub"7
9
+2class="stub"2
9

=class="stub"7
9
+class="stub"2
9
+2,
=3;

(2)12-7class="stub"1
8

=12-7-class="stub"1
8

=5-class="stub"1
8

=4class="stub"7
8

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