316×(713-317)×619÷1121=______.-数学

题目简介

316×(713-317)×619÷1121=______.-数学

题目详情

3
1
6
×(7
1
3
-3
1
7
)×
6
19
÷1
1
21
=______.
题型:解答题难度:中档来源:不详

答案

3class="stub"1
6
×(7class="stub"1
3
-3class="stub"1
7
)×class="stub"6
19
÷1class="stub"1
21

=3class="stub"1
6
×class="stub"6
19
×(7class="stub"1
3
-3class="stub"1
7
)×class="stub"21
22

=1×(7class="stub"1
3
-3class="stub"1
7
)×class="stub"21
22

=(7class="stub"1
3
-3class="stub"1
7
)×class="stub"21
22

=7class="stub"1
3
×class="stub"21
22
-3class="stub"1
7
×class="stub"21
22

=7-3
=4.
故答案为:4.

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