1-sinf sonli ifodalar mavzusida slayd dars

navoiy viloyati karmana tumani 30-umumiy o`rta ta`lim maktabi boshlang`ich sinf o`qituvchisi narzullayeva zebinisoning 1-sinfga matematika fanidan “sonli ifodalar” mavzusida slayd darsi darsning shiori ilmdan yaxshiroq xazina bo’lmas qo’lingdan kelgancha yig’a olsang bas maqsadimiz o’qib- o’rganamiz, ijod qilamiz, shu ozod vatanni obod qilamiz yangi mavzu 5-masala. botirda 28ta yong`oq bor edi. ukasidagi yong`oqlar akasinikidan 8ta kam. aka-ukada hammasi bo`lib nechta yong`oq bor? quyidagi ifodalar nimani bildiradi? 28-8 28+(28-8) yechish: 28+(28-8)=28+20=48 javob: aka-ukada hammasi bo`lib 48 ta yong`oq bor. 6 – misol. 42+o=72 38-o=30 o -2=60 60+o=90 30+o=60 25-20=o 6 – misol. 42+30=72 38-8=30 62 -2=60 60+30=90 30+30=60 25-20=5 6 – misol. 42+30=72 38-8=30 62 -2=60 60+30=90 30+30=60 25-20=5...

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