1) 7+37 + 37+3 + 4 = 10 + 4 = 142) 14−414 - 414−4 - 3 = 10 - 3 = 73) 8+28 + 28+2 + 5 = 10 + 5 = 154) 15−515 - 515−5 - 2 = 10 - 2 = 85) 9+19 + 19+1 + 6 = 10 + 6 = 166) 16−616 - 616−6 - 1 = 10 - 1 = 9
1) 7+37 + 37+3 + 4 = 10 + 4 = 14
2) 14−414 - 414−4 - 3 = 10 - 3 = 7
3) 8+28 + 28+2 + 5 = 10 + 5 = 15
4) 15−515 - 515−5 - 2 = 10 - 2 = 8
5) 9+19 + 19+1 + 6 = 10 + 6 = 16
6) 16−616 - 616−6 - 1 = 10 - 1 = 9