(1)(+16)-(-25)-(+24)+(-32)(2)(16?18+112)÷(?124)(3)(?47)÷(?314)÷(?23)(4)(-5)×
(1)(+16)-(-25)-(+24)+(-32)(2)(16?18+112)÷(?124)(3)(?47)÷(?314)÷(?23)(4)(-5)×6×(-10)×(...
(1)(+16)-(-25)-(+24)+(-32)(2)(16?18+112)÷(?124)(3)(?47)÷(?314)÷(?23)(4)(-5)×6×(-10)×(-8)(5)-33-(-3)3(6)-|-5|+(-3)3÷(-22)(7)?42+(?4)2?(?1)2÷135×25.
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(1)原式=16+25-24-32=41-56=-15;
(2)原式=(
-
+
)×(-24)=(-24)×
-(-24)×
+(-24)×
=-4+3-2=-3;
(3)原式=-
×
×
=-4;
(4)原式=-5×6×10×8=-2400;
(5)原式=-27-(-27)=-27+27=0;
(6)原式=-5+(-27)÷(-4)=-5+
=
;
(7)原式=-16+16-1×
×
=-16+16-
=-
.
(2)原式=(
1 |
6 |
1 |
8 |
1 |
12 |
1 |
6 |
1 |
8 |
1 |
12 |
(3)原式=-
4 |
7 |
14 |
3 |
3 |
2 |
(4)原式=-5×6×10×8=-2400;
(5)原式=-27-(-27)=-27+27=0;
(6)原式=-5+(-27)÷(-4)=-5+
27 |
4 |
7 |
4 |
(7)原式=-16+16-1×
5 |
8 |
2 |
5 |
1 |
4 |
1 |
4 |
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