摘要: -22-3×(-1)3-(-4)×5 24. -52+[3×(-1)2-(1+0.2÷)×(-2)3]
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计算:
(1)-40-(-19)+(-24)
(2)(-5)×(-8)-(-28)÷4
(3)![]()
(4)-22-(-2)2-23×(-1)2011
(5)
+|-4|×0.52+2
×(-1
)2
用计算器求下列各式的值.
(1)6.25×3.24+10.5;
(2)0.68÷(-0.4)+1.34×3;
(3)(2.7-3.2-5.4)÷0.24;
(4)6.52-(-3.7)2;
(5)233-292;
(6)4.62×(-9.5);
(7)3.22×(7.21-1.35)2-34.58;
(8)0.5×(8.16-3.21)2-(-5.5)2;
(9)(5.27-3.16)2÷(-3.25);
(10)(7.28+1.32)2÷(-20)2.
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