计算:(1)-26+43-24+13-46(2)0.125+314?18+5.6-0.25(3)(12+56?712)×(?36)(4)(-81)÷94×49÷(
计算:(1)-26+43-24+13-46(2)0.125+314?18+5.6-0.25(3)(12+56?712)×(?36)(4)(-81)÷94×49÷(?16)...
计算:(1)-26+43-24+13-46(2)0.125+314?18+5.6-0.25(3)(12+56?712)×(?36)(4)(-81)÷94×49÷(?16)(5)?12014+(?18)×(?2)3(6)(12?13)÷(?16)+(?2)2×(?14).
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(1)原式=(-26-24-46)+(43+13)
=-96+56
=-40;
(2)原式=(0.125-
)+(3
-0.25)+5.6
=3+5.6
=8.6;
(3)原式=
×(-36)+
×(-36)-
×(-36)
=-16-30+21
=-25;
(4)原式=(-36)×
÷(-16)
=(-16)÷(-16)
=1;
(5)原式=-1+(-
)×(-8)
=-1+1
=0;
(6)原式=
÷(-
)+4×(-14)
=1-56
=-55.
=-96+56
=-40;
(2)原式=(0.125-
1 |
8 |
1 |
4 |
=3+5.6
=8.6;
(3)原式=
1 |
2 |
5 |
6 |
7 |
12 |
=-16-30+21
=-25;
(4)原式=(-36)×
4 |
9 |
=(-16)÷(-16)
=1;
(5)原式=-1+(-
1 |
8 |
=-1+1
=0;
(6)原式=
1 |
6 |
1 |
6 |
=1-56
=-55.
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