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1. 21+21+21+21+21= ...
2. Произведение чисел 9 и 3 равно ...
3. Если 18 разделить на ..., то получится 6.
4. 18+18+18+18= ...
5. Частное чисел 21 и 3 равно ...
6. Если число ... умножить на 2, то получится 18.
7. Число 24 разделили на ..., если получили 3.
8. Запиши в окошко такое число, чтобы равенство 16:2=24: ... стало верным.
9. ... ×7=7.
10. Поставь знак >, < или = так, чтобы получилась верная запись: 0×9 ... 9:9.
11. Делимое 12, делитель ..., частное равно 3.
12. Если 15 груш разложить в пакеты, по 3 груши в каждый, то эти груши займут ... пакетов.
13. Если масса трех одинаковых кроликов 18 кг, то масса одного кролика ... кг.
14. Если длина одной стороны прямоугольника 5см, а другой - ... см, то его периметр равен 14 см.-
Предмет:
Математика -
Автор:
hugodcai - 5 лет назад
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Ответы 3
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Не верно : 2) 9*3 =27 , а не 21 . Исправь!
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Автор:
quincy - 5 лет назад
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0
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1. 1052. 213. 34. 725. 76. 97. 88. 39. 110. <11. 412. 513. 614. 2
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Автор:
blankenship - 5 лет назад
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0
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1)105 21+21+21+21+21=21×5=1052) 279×3= 273) 318:3=6 (т.к. 6×3=18)4) 7218+18+18+18= 18×4= 72 5) 721:3= 76) 99 ×2= 187) 824 : 8= 3 ( т.к. 8×3= 24)8) 316 : 2 =824: 3 =88=89) 11 ×7=710) 0×9 < 9×111) 412:4=312) 5 пакетов15 :3 =513) 6 кг 18 : 3= 6 кг - масса одного кролика14) 2 см.Р= 14 см , а=5 см , b-?Р = 2× (а+b) , где а, b - стороны прямоугольника а+b = Р/2b= Р/2 - а b= 14/2 - 5 = 7-5 = 2 смпроверим: Р = 2× (5+2) = 2×7=14 см - периметр
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Автор:
jaylenzply - 5 лет назад
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0
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