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[判断题]
A1,A2单元格的内容为1,2,将A1,A2选定后,再将鼠标指针指向A2单元格右下角,使其变成“+”状,再拖拽操作至A3,A4单元格,自动填充的结果为2,1。()
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A.10
B.20
C.30
D.空
A.壹拾贰万叁仟肆佰伍拾陆
B.123456.00
C.123456
D.壹贰叁肆伍陆
A.a1,2a2,a2
B.a1,a2,0
C.a1,2a1+a2,3a1+2a2+a3
D.a1-a2,a2-a3,a3-a1
A.0
B.3
C.A1+B1
D.10
设a1=(5,-8,-1,2)T,a2=(2,-1,4,-3)T,a3=(-3,2,-5,4)T,从方程a1+2a2+3a3
A.=AVERAGE(A1:B4)
B.=AVERAGE(A1,A2,A3,B4)
C.=AVERAGE(A1+A2+A3+A4)
D.=(A1+A2+A3+A4)/4
A.=A1/SUM($A1:$D1)
B.=A1/SUM(A1:$D$1)
C.=A1/SUM(A$1E$1)
D.=A1/SUM(A1:D1)
A.6,7,8,9
B.3,4,5,6
C.2,5,2,5
D.8,11,14,17