Page 82 - حقيبة كتاب الصف الخامس الرقمية
P. 82
¯ ¯¯ ¯ 8-4
Multiplying a Decimal Number by a Whole Number
, 19 5 ,ï
?ï 5
? = 19٫5 × 5
:M
¯¯ :2 M ¯¯ :1 M
¯ ¯¯ 195 ¯
1¯ 19٫5
0¯ 5 5×
1 ¯¯ 97,5
975
100 = 20 × 5 ≈ 19٫5 × 5
¯ ,100 ¯ ¯ 97 5
97٫5 5¯ 97٫5 = 19٫5 × 5
:
17 × 0 93 F
:2 M :1 M
17
0¯ ¯¯ ¯
2¯ 0,93
2 ¯¯ 15,81 17
9 3×
:
51
17 = 17 × 1 ≈ 17 × 0٫93 1 5 3 0+
1581
¯ ,17 ¯ ¯ 15 81
15 81 = 17 × 0 93
86
