
计算:(1)|-21|+|-10|+|+9|;(2)-4.3-(-6.3);(3)(-10)÷(?13)×(-4);(4)(-24)×(16-1
计算:(1)|-21|+|-10|+|+9|;(2)-4.3-(-6.3);(3)(-10)÷(?13)×(-4);(4)(-24)×(16-14+18);(5)4+3×...
计算:(1)|-21|+|-10|+|+9|;(2)-4.3-(-6.3);(3)(-10)÷(?13)×(-4);(4)(-24)×(16-14+18);(5)4+3×(-2)3+33; (6)(-3)2×(-13)2-(-2)3÷(?12)2.
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(1)原式=21+10+9
=40;
(2)原式=-4.3+6.3
=2;
(3)原式=-10×(-3)×(-4)
=-120;
(4)原式=-24×
+24×
-24×
=-4+6-3
=-1;
(5)原式=4+3×(-8)+27
=4-24+27
=4+3
=7;
(6)原式=9×
-(-8)×4
=1+32
=33.
=40;
(2)原式=-4.3+6.3
=2;
(3)原式=-10×(-3)×(-4)
=-120;
(4)原式=-24×
1 |
6 |
1 |
4 |
1 |
8 |
=-4+6-3
=-1;
(5)原式=4+3×(-8)+27
=4-24+27
=4+3
=7;
(6)原式=9×
1 |
9 |
=1+32
=33.
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