Вычесление (3класс), 4×23=4×(20+3)=4×20+4×3=_+_=_
7×15=_×(_+_)=_×_+_×_=_+_=_
6×17=_×(_+_)=_×_+_×_=_+_=_
3×31=_×(_+_)=_×_+_×_=_+_=_
65÷5=(_+_)÷_=_÷_+_÷_=_+_=_
56÷4=(_+_)÷_=_÷_+_÷_=_+_=_

Question

Математика: Вычесление (3класс), 4×23=4×(20+3)=4×20+4×3=_+_=_ 7×15=_×(_+_)=_×_+_×_=_+_=_ 6×17=_×(_+_)=_×_+_×_=_+_=_ 3×31=_×(_+_)=_×_+_×_=_+_=_ 65÷5=(_+_)÷_=_÷_+_÷_=_+_=_ 56÷4=(_+_)÷_=_÷_+_÷_=_+_=_

Trolololo09 · Answer

1) 80+12=922)7*15=7*(10+5)=7*10+7*5=70+35=1053)6*17=6*(10+7)=6*10+6*7=60+42=1024)3*31=3*(30+1)=3*30+3*1=90+3=935)65:5=(60+5):5=60:5+5:5=12+1=136)56:4=(20+36):4=20:4+36:4=5+9=14...

Вычесление (3класс), 4×23=4×(20+3)=4×20+4×3=_+_=_ 7×15=_×(_+_)=_×_+_×_=_+_=_ 6×17=_×(_+_)=_×_+_×_=_+_=_ 3×31=_×(_+_)=_×_+_×_=_+_=_ 65÷5=(_+_)÷_=_÷_+_÷_=_+_=_ 56÷4=(_+_)÷_=_÷_+_÷_=_+_=_

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Вычесление (3класс), 4×23=4×(20+3)=4×20+4×3=_+_=_
7×15=_×(_+_)=_×_+_×_=_+_=_
6×17=_×(_+_)=_×_+_×_=_+_=_
3×31=_×(_+_)=_×_+_×_=_+_=_
65÷5=(_+_)÷_=_÷_+_÷_=_+_=_
56÷4=(_+_)÷_=_÷_+_÷_=_+_=_