вычислите: 780+253 = ... (27+13) * 2-78 = ... 39: (7+6) * 21 = ... 81-68: (9+8) = ...

Question

Дарьюшка

18 ноября, 03:19

+2

Ответы (2)

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Руфиниана · Answer 1

78*0+25*3 = 0+75 = 75

(27+13) * 2-78 = 40*2-78=80-78 = 2

39: (7+6) * 21=39:13*21=13*21 = 273

81-68: (9+8) = 81-68:17=81-4 = 77

Венуша · Answer 2

78 * 0+25*3=0+75=75

(27+13) * 2-78=40 * 2-78=80-78=2

39: (7+6) * 21=39:13 * 21=3 * 21=63

81-68: (9+8) = 81-68:17=81-4=77

вычислите: 78*0+25*3 = ... (27+13) * 2-78 = ... 39: (7+6) * 21 = ... 81-68: (9+8) = ...