CHRONO

2 s.

Calculer des compléments à la dizaine supérieure.

CHRONO

0 s.
380 = 373 +
190 = 186 +
590 = 583 +
120 = 119 +
990 = 985 +
290 = 289 +
310 = 304 +
840 = 838 +
120 = 120 +
890 = 883 +
1000 = 991 +
790 = 784 +
290 = 281 +
160 = 151 +
270 = 270 +
340 = 340 +
600 = 592 +
850 = 842 +
520 = 518 +
300 = 294 +