(1)(-4.6)+(-8.4)(2)(-5)-5(3)3×[(-2)-10](4)23+(-17)+6+(-22)(5)(-5.3)+(-3.
(1)(-4.6)+(-8.4)(2)(-5)-5(3)3×[(-2)-10](4)23+(-17)+6+(-22)(5)(-5.3)+(-3.2)-(-2.5)-(+4...
(1)(-4.6)+(-8.4)(2)(-5)-5(3)3×[(-2)-10](4)23+(-17)+6+(-22)(5)(-5.3)+(-3.2)-(-2.5)-(+4.8)(6)(+713)+(+17)+(-113)+(+7)+(-213)+(-713)
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(1)原式=-13;
(2)原式=-10;
(3)原式=3×(-12)=-36;
(4)原式=23+6-22-17=29-39=-10;
(5)原式=-5.3-3.2+2.5-4.8=-13.3+2.5=-10.8;
(6)原式=
-
+17+7-1
-2
=24-3
=20
.
(2)原式=-10;
(3)原式=3×(-12)=-36;
(4)原式=23+6-22-17=29-39=-10;
(5)原式=-5.3-3.2+2.5-4.8=-13.3+2.5=-10.8;
(6)原式=
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