Toán Lớp 5: Tính bằng cách thuận tiện: 2,34 x 9 + 2,34
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Toán Lớp 5: Tính bằng cách thuận tiện: 2,34 x 9 + 2,34
Comments ( 2 )
2,34 xx 9 + 2,34
= 2,34 xx ( 9 + 1 )
= 2,34 xx 10
= 23,4
$@Zeng$
2,34×9+2,34
=2,34×(9+1)
=2,34×10
=23,4