计算(1)356-134+516+334;(2)(-3)2+(-2)3×(-14)÷(-12);(3)(-1)5×[423÷(-4)+(-14)×(-0.4)]÷(-13);(4)-14-(1-0.5

题目简介

计算(1)356-134+516+334;(2)(-3)2+(-2)3×(-14)÷(-12);(3)(-1)5×[423÷(-4)+(-14)×(-0.4)]÷(-13);(4)-14-(1-0.5

题目详情

计算(1)3
5
6
-1
3
4
+5
1
6
+3
3
4

(2)(-3)2+(-2)3×(-
1
4
)÷(-
1
2
);
(3)(-1)5×[4
2
3
÷(-4)+(-
1
4
)×(-0.4)]÷(-
1
3
);
(4)-14-(1-0.5)×
1
3
×[2-(-3)2];
(5)(-
2
3
+
5
6
)×24-3.95×6-1.45×6;
(6)26-(-5)×(-7).
题型:解答题难度:中档来源:不详

答案

(1)3class="stub"5
6
-1class="stub"3
4
+5class="stub"1
6
+3class="stub"3
4
=3class="stub"5
6
+5class="stub"1
6
-1class="stub"3
4
+3class="stub"3
4
=9+2=11;
(2)(-3)2+(-2)3×(-class="stub"1
4
)÷(-class="stub"1
2
)=9+(-8)×(-class="stub"1
4
)×(-2)=9-4=5;
(3)(-1)5×[4class="stub"2
3
÷(-4)+(-class="stub"1
4
)×(-0.4)]÷(-class="stub"1
3
)=-1×(-class="stub"14
3
×class="stub"1
4
+class="stub"1
4
×class="stub"4
10
)×(-3)=-(-class="stub"1
15
)×(-3)=-class="stub"1
5

(4)-14-(1-0.5)×class="stub"1
3
×[2-(-3)2]=-1-class="stub"1
2
×class="stub"1
3
×(-7)
=-1+class="stub"7
6
=class="stub"1
6

(5)(-class="stub"2
3
+class="stub"5
6
)×24-3.95×6-1.45×6=-16+20-6×(3.95+1.45)=4-6×5.4=4-32.4=-28.4;
(6)26-(-5)×(-7)=26-35=-9.

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