4. Знайди значення часток, замінивши ділене сумою зручних доданків.
119:7=
128:4=
780:6=
144:8=
112:8=
720:4=
119:7=
128:4=
780:6=
144:8=
112:8=
720:4=
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119:7 = (112 + 7):7 = 112:7 + 7:7 = 16 + 1 = 17
128:4 = (128 - 4):4 = 124:4 = 31
780:6 = (720 + 60):6 = 720:6 + 60:6 = 120 + 10 = 130
144:8 = (144 - 16):8 = 128:8 = 16
112:8 = (96 + 16):8 = 96:8 + 16:8 = 12 + 2 = 14
720:4 = (700 + 20):4 = 700:4 + 20:4 = 175 + 5 = 180