Упр.74 Часть 1 ГДЗ Истомина 4 класс (Математика)
Вычисли значения произведений.
- 1) $$6007\cdot6$$
2) $$97508\cdot4$$
3) $$5938\cdot8$$
$$2745\cdot4$$
$$30096\cdot9$$
$$9583\cdot7$$
4) $$7067\cdot8$$
5) $$84605\cdot6$$
6) $$9853\cdot9$$
$$4109\cdot7$$
$$72948\cdot3$$
$$5389\cdot6$$
$$5804\cdot4$$
$$26009\cdot8$$
$$3895\cdot4$$
Из каждого полученного равенства составь ещё три верных равенства.
Вычислим произведения и для каждого равенства составим ещё три верных равенства, используя связь между множителями и произведением.
1) $$6007 \cdot 6 = 36042$$
$$6 \cdot 6007 = 36042$$
$$36042 : 6 = 6007$$
$$36042 : 6007 = 6$$
$$2745 \cdot 4 = 10980$$
$$4 \cdot 2745 = 10980$$
$$10980 : 4 = 2745$$
$$10980 : 2745 = 4$$
2) $$97508 \cdot 4 = 390032$$
$$4 \cdot 97508 = 390032$$
$$390032 : 4 = 97508$$
$$390032 : 97508 = 4$$
$$30096 \cdot 9 = 270864$$
$$9 \cdot 30096 = 270864$$
$$270864 : 9 = 30096$$
$$270864 : 30096 = 9$$
3) $$5938 \cdot 8 = 47504$$
$$8 \cdot 5938 = 47504$$
$$47504 : 8 = 5938$$
$$47504 : 5938 = 8$$
$$9583 \cdot 7 = 67081$$
$$7 \cdot 9583 = 67081$$
$$67081 : 7 = 9583$$
$$67081 : 9583 = 7$$
4) $$7067 \cdot 8 = 56536$$
$$8 \cdot 7067 = 56536$$
$$56536 : 8 = 7067$$
$$56536 : 7067 = 8$$
$$4109 \cdot 7 = 28763$$
$$7 \cdot 4109 = 28763$$
$$28763 : 7 = 4109$$
$$28763 : 4109 = 7$$
5) $$84605 \cdot 6 = 507630$$
$$6 \cdot 84605 = 507630$$
$$507630 : 6 = 84605$$
$$507630 : 84605 = 6$$
$$72948 \cdot 3 = 218844$$
$$3 \cdot 72948 = 218844$$
$$218844 : 3 = 72948$$
$$218844 : 72948 = 3$$
6) $$9853 \cdot 9 = 88677$$
$$9 \cdot 9853 = 88677$$
$$88677 : 9 = 9853$$
$$88677 : 9853 = 9$$
$$5389 \cdot 6 = 32334$$
$$6 \cdot 5389 = 32334$$
$$32334 : 6 = 5389$$
$$32334 : 5389 = 6$$
$$5804 \cdot 4 = 23216$$
$$4 \cdot 5804 = 23216$$
$$23216 : 4 = 5804$$
$$23216 : 5804 = 4$$
$$26009 \cdot 8 = 208072$$
$$8 \cdot 26009 = 208072$$
$$208072 : 8 = 26009$$
$$208072 : 26009 = 8$$
$$3895 \cdot 4 = 15580$$
$$4 \cdot 3895 = 15580$$
$$15580 : 4 = 3895$$
$$15580 : 3895 = 4$$
Ответ
$$6007 \cdot 6 = 36042$$, $$2745 \cdot 4 = 10980$$, $$97508 \cdot 4 = 390032$$, $$30096 \cdot 9 = 270864$$, $$5938 \cdot 8 = 47504$$, $$9583 \cdot 7 = 67081$$, $$7067 \cdot 8 = 56536$$, $$4109 \cdot 7 = 28763$$, $$84605 \cdot 6 = 507630$$, $$72948 \cdot 3 = 218844$$, $$9853 \cdot 9 = 88677$$, $$5389 \cdot 6 = 32334$$, $$5804 \cdot 4 = 23216$$, $$26009 \cdot 8 = 208072$$, $$3895 \cdot 4 = 15580$$.
