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дитанатор
дитанатор
15.01.2023 05:39 •  Математика

Умножив делимое и делитель на одно и тоже число (или 2, или 4, или 8), вычислите: образец: 130: 5=260: 10=26 1200: 25= 3400: 50= 24000: 250= 210: 5= 3000: 125= 12300: 50= 70000: 1250=

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Ответ:
Kamjla1
Kamjla1
15.01.2023
1200:25=1200*4:25*4=4800:100=48
3400:50=3400*2:50*2=6800:100=68
24000:250=24000*4:250*4=96000:1000=96
210:5=210*2:5*2=420:10=42
3000:125=3000*8:125*8=24000:1000=24
12300:50=12300*2:50*2=24600:100=246
70000:1250=70000*8:1250*8=560000:10000=56
4,7(74 оценок)
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Ответ:
ROMMIT2
ROMMIT2
15.01.2023

Пошаговое объяснение:

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4,4(68 оценок)
Ответ:
kvolk420
kvolk420
15.01.2023

ответ:       y ' = - lnx .                

Пошаговое объяснение:

y = x( 1 - lnx ) ;

y ' = [ x( 1 - lnx ) ]' = x' * ( 1 - lnx ) + x * ( 1 - lnx )' = 1 * ( 1 - lnx ) + x *( 0 -1/x ) =

= 1 - lnx - 1 = - lnx ;     y ' = - lnx .                                                                                                                                                                                                                                                                                              

4,4(8 оценок)
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