计算:(1)(-514)-(+61320)-(-114);(2)(-23)-(-23)-(+34);(3)16-(-813)-423.-数学

题目简介

计算:(1)(-514)-(+61320)-(-114);(2)(-23)-(-23)-(+34);(3)16-(-813)-423.-数学

题目详情

计算:
(1)(-5
1
4
)-(+6
13
20
)-(-1
1
4
)

(2)(-
2
3
)-(-
2
3
)-(+
3
4
)

(3)16-(-8
1
3
)-4
2
3
题型:解答题难度:中档来源:不详

答案

(1)(-5class="stub"1
4
)-(+6class="stub"13
20
)-(-1class="stub"1
4

=-5class="stub"1
4
-6class="stub"13
20
+1class="stub"1
4

=-4-6class="stub"13
20

=-10class="stub"13
20


(2)(-class="stub"2
3
)-(-class="stub"2
3
)-(+class="stub"3
4

=-class="stub"2
3
+class="stub"2
3
-class="stub"3
4

=-class="stub"3
4


(3)16-(-8class="stub"1
3
)-4class="stub"2
3

=16+8class="stub"1
3
-4class="stub"2
3

=16+3class="stub"2
3

=19class="stub"2
3

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