1 600/25 = 24 24+1 = 25 2 600/25 = 24 3 600/25 = 24 24-1 = 23 10/2 = 5 5+1 = 6 10/2 = 5 10/2 = 5 5-1 = 4 8-3 = 5 18*5 = 90 73-37 = 36 36*18 = 648 91-59 = 32 32*18 = 576 2n+2 = 40 2n = 38/2 = 19 3n+2 6*2+2 = 14 6*4+2 = 26 6n+2 17.8*0.5 = 8.9 96*0.25 = 24 465*0.2 = 93 4 3_?1/5_#-1_?1/2_#/?2/3# = ?51/20# ?75/100#*?3/2#-?5/6# = ?1/2# 3+2*2-1 = 5 |
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