Toán Lớp 5: Bài 2
a, 900 + ( 120 :1 + 0 : 250 )
b, 17119: ( 119 -714 : 7 ) + 3302 : 13 – 567
c, 9 mũ 4 – 8 . 9 mũ 3
d, 2 mũ 6 : 2 mũ 4 + 3 mũ 2 – 2 mũ 3
Bài 3
a, 12x + 3x – 5x =250 b, ( 2x +8 ) : 4 = ( x+1 )
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Toán Lớp 5: Bài 2
a, 900 + ( 120 :1 + 0 : 250 )
b, 17119: ( 119 -714 : 7 ) + 3302 : 13 – 567
c, 9 mũ 4 – 8 . 9 mũ 3
d, 2 mũ 6 : 2 mũ 4 + 3 mũ 2 – 2 mũ 3
Bài 3
a, 12x + 3x – 5x =250 b, ( 2x +8 ) : 4 = ( x+1 )
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