计算:-7+(+2)=______,-5-5=______,-20011017×0=______,(-25)×(+1.2)=______,(-125)×(-549)=______,(-217)÷(-5

题目简介

计算:-7+(+2)=______,-5-5=______,-20011017×0=______,(-25)×(+1.2)=______,(-125)×(-549)=______,(-217)÷(-5

题目详情

计算:-7+(+2)=______,-5-5=______,-2001
10
17
×0=______,(-25)×(+1.2)=______,(-1
2
5
)×(-
5
49
)=______,(-2
1
7
)÷(-
5
14
)=______,(-1)÷(+
3
5
)=______,
1
6
÷(-2.5)=______.
题型:填空题难度:中档来源:不详

答案

-7+(+2)=-7+2=-5;
-5-5=-10;
-2001class="stub"10
17
×0=0;
(-25)×(+1.2)=25×1.2=-30;
(-1class="stub"2
5
)×(-class="stub"5
49
)=-class="stub"7
5
×(-class="stub"5
49
)
=class="stub"1
7

(-2class="stub"1
7
)÷(-class="stub"5
14
)=-class="stub"15
7
×(-class="stub"14
5
)
=6;
(-1)÷(+class="stub"3
5
)=-1×class="stub"5
3
=-class="stub"5
3

class="stub"1
6
÷(-2.5)=-class="stub"1
6
×class="stub"2
5
=-class="stub"1
15

更多内容推荐