triệu lệ dĩnh
08/07/2017 at 10:23-
Trần Nhật Dương 08/07/2017 at 14:49a) The term number of the sum s is
( 101 - 1 ) : 3 + 1 = 34 (number)
b) number 50 is
( 50 - 1 ) . 3 + 1 = 148
c) total S is
( 1 + 100 ) . 34 : 2 = 1717
answer: a) 34 number
b) 148
c) 1717
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triệu lệ dĩnh 08/07/2017 at 10:28
a) The term number of the sum s is
( 101 - 1 ) : 3 + 1 = 34 (number)
b) number 50 is
( 50 - 1 ) . 3 + 1 = 148
c) total S is
( 1 + 100 ) . 34 : 2 = 1717
answer: a) 34 number
b) 148
c) 1717
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