✨ Best Answer ✨
√210= √21✖️10=14.49138
³√10.648= ³√-2.2✖️-2.2✖️-2.2
= -2.2
14.49138+（-2.2）=12.29138 ≈12.3
Mathematics
Junior High
Resolved
求詳解
①
3
已知a= 210、6= -10.648,利用
乘方開方表,如表,求出a+b的近似
值為何?(四捨五入到小數點第一位)
【基91-1】 1440113% 14.4938
N
N² √√N VION N³
√√√N V10N V100N
21
441 4.582576 14.49138 9261 2.758924 5.943922 12.80579
22 484 4.690416 14.83240 10648
13.00591
2.802039 6.036811
23 529 4.795832 15.16575 12167 2.843867 6.126926 13.20006
(A)11.5 (B)12.3 (C)16.7 (D)26.6
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