1/Tính Tổng :
A=1.2.4+2.3.5+…+98.99.101
B=1.3+3.5+5.7+…+99.101
1/Tính Tổng : A=1.2.4+2.3.5+…+98.99.101 B=1.3+3.5+5.7+…+99.101
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1/Tính Tổng :
A=1.2.4+2.3.5+…+98.99.101
B=1.3+3.5+5.7+…+99.101