( 36 + 54 ) x 7 + 7 x 9 + 7
= 90 x 7 + 7 x 9 + 7 x 1
= ( 90 + 9 + 1 ) x 7
= 100 x 7
= 700
Học tốt nhé bạn ~
(36 + 54) x 7+7 x 9+7 =70 x 7+ 7 x 9 +7
=7 x (90 + 9 + 1)
=7 x 100
=700
( 36 + 54 ) x 7 + 7 x 9 + 7
= 90 x 7 + 7 x 9 + 7 x 1
= ( 90 + 9 + 1 ) x 7
= 100 x 7
= 700
(36+54)×7+7×9+7
=90×7+7×9+7×1
=7×(90+9+1)
=7×100
=700
Học tốt~
tính nào :
(36+54)*7+7*9+7
=100*7+7*9+7
=7*(100+9+1)
=7*110=770
(36+54) x 7 + 7 x 9 +7
=7 x (36+54+9+1)
=7 x 100
=700
(36+54)*7+7*9+7=90*7+7*9+7
=7*(90+9)+7
=7*99+7
=693+7
=700
(36+54)*7+7*9+7
=90*7+7*9+7
=7*(90+9+1)
=7*100
=700
# chikute #
\(=100\times7+7\times9+7\)
\(=7\times\left(90+9+1\right)\)
\(=7\times100\)
\(=700\)
(36 + 54) x 7 + 7 x 9 + 7
=90 x 7 + 7x 9+ 7x 1
=(90 + 9 +1) x7
=100 x 7
=700
Học Tốt Nhé
100 × 7 + 7 × 9 +7
= 7 × ( 90 + 9 +1 )
= 7 × 100
= 700