bella2017
02.02.2020 •
Mathematics
19.5÷1.5=(19.5∙10)÷(1.5∙10)=195÷15=
195÷1.5=(195∙10)÷(1.5∙10)=
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Ответ:
13
130
Step-by-step explanation:
19.5 ÷ 1.5
= (19.5 x 10) ÷ (1.5 x 10)
= 195 ÷ 15
= (195 ÷ 15) ÷ (15 ÷ 15)
= 13
195 ÷ 1.5
= (195 x 10) ÷ (1.5 x 10)
= 1950 ÷ 15
= (1950 ÷ 15) ÷ (15 ÷ 15)
= 130
Ответ:
t = 7
Step-by-step explanation:
t( 5 /7 ) = 5
Hope it helped.