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2 1/2 * 3 + 4*1 1/2 = 7 1/2 + 6 = 13 1/2
2 1/4 * 2+ 3 3/4 = 4 1/2 + 3 3/4 = 8 1/4
9-1 3/5*4 = nie wystarczająco jasno napisane:
albo 9 - 1 i 3/20 = 7 17/20
albo 9 - 4(1 3/5) = 9 - 6 2/5 = 2 3/5
2¼*2+3¾=9/4*2+16/4=18/4+16/4=34/4=8½
9-1⅗*4=9-8/5*4=9-32/5=9-6⅖=2⅗