题目内容
用计算器计算:
(1)﹣10+8÷(﹣2)2﹣3×(﹣4);
(2)
;
(3)24×(3.17﹣1.25)2+35.43.
(1)﹣10+8÷(﹣2)2﹣3×(﹣4);
(2)
(3)24×(3.17﹣1.25)2+35.43.
解:(1)﹣10+8÷(﹣2)2﹣3×(﹣4)
=﹣10+8÷4﹣(﹣12)
=﹣10+2+12
=4;
(2)原式=
×(﹣48)
=8+
﹣36+4
=﹣22
;
(3)原式=16×(1.92)2+35.43
=16×3.6864+35.43
=58.9824+35.43
=94.4124.
=﹣10+8÷4﹣(﹣12)
=﹣10+2+12
=4;
(2)原式=
=8+
=﹣22
(3)原式=16×(1.92)2+35.43
=16×3.6864+35.43
=58.9824+35.43
=94.4124.
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