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Clearnote
Q&A
Junior High
Mathematics
求解
Mathematics
Junior High
12 monthsago
chatu
求解
) 單元1 乘法公式與多項式 13 立即測驗 C)1. (123456)*(23456)”的結果是幾位數? (A) 9位數 (B)10位數 (C)11位數(D)12位數 (A)2. 若399= 4 + 1,則A = ? (A)(399 + 1)2 (B)(399-1) " (C)(399+1)(399-1) (D)(399 + 1)*x(399-1)* (B 若 1999-2000*=1333xa,則a=? (A)-3 (B)3 (C99 (D)-99 4.(5555+1)-(5555 (A) 4. 計算5556″-5555°=? (5555)-2(5855)(1)(1) (A) 11111 (B) 111111 (C) 11101 (D) 11110 30858025-1110+1 (A) 5. 下列何者錯誤? (A)(ab)==(b - a)² (B)x²+ y2=(x + y)” (C)(a - b)²= a²− 2ab+b²(D)(+9)(p-q)=p²- q* (D)6.若(68255)2=68252+x,則x=? 6825 46587402 46580625- (A)13650.25 (B)6825.5 (C) 13650.5 (D)6825.25 (A)7. 設(100²-21²,下列哪一個數是a的因數? 28959- (A) 11 (B) 7 (C) 5 (D) 3 8.計算下列各題: 2= (1) (472) 2-(422) == 450 (3)1006×994=999964 。 。 (2) 2872-1132 1372-372 = 4 (4) 998-4996000 9. 計算(10006-11)-(10001-16) =-50015 1 之值為何? 320-160X 160 02 。
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