计算(1)13+(-48)(2)(-2)2×(-5)(3)-23+(+58)-(-5)(4)4.6-(34+1.6-4)-(-34)(5)-
计算(1)13+(-48)(2)(-2)2×(-5)(3)-23+(+58)-(-5)(4)4.6-(34+1.6-4)-(-34)(5)-(-3)+|-3|-(-3)2...
计算(1)13+(-48)(2)(-2)2×(-5)(3)-23+(+58)-(-5)(4)4.6-(34+1.6-4)-(-34)(5)-(-3)+|-3|-(-3)2(6)(13-56+79)÷(-118)(7)(-3)2×23-(-4)÷2 (8)-22+(-3)×6-(-1)2012(9)192425×(-25)(10)(+23)×14+(-57)×14+(-26)×14.
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(1)旁困闭原式=-(48-13)=-35;
(2)原式=4×(-5)=-20;
(3)原济南市=-23+58+5=-23+63=40;尺吵
(4)原式=4.6-0.75-1.6+4+0.75=3+4=7;
(5)原式=3+3-9=6-9=-3;
(6)原式=(
-
+
)×(-18)=-6+15-14=-5;
(7)原式=9×8-(-2)运裂=72+2=74;
(8)原式=-4-18-1=-23;
(9)原式=(20-
)×(-25)=-500+1=-499;
(10)原式=(23-57-26)×(
)=-60×
=-15.
(2)原式=4×(-5)=-20;
(3)原济南市=-23+58+5=-23+63=40;尺吵
(4)原式=4.6-0.75-1.6+4+0.75=3+4=7;
(5)原式=3+3-9=6-9=-3;
(6)原式=(
1 |
3 |
5 |
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9 |
(7)原式=9×8-(-2)运裂=72+2=74;
(8)原式=-4-18-1=-23;
(9)原式=(20-
1 |
25 |
(10)原式=(23-57-26)×(
1 |
4 |
1 |
4 |
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