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ใบงานการคูณทศนิยมหนึ่งตำแหน่งด้วยทศนิยมหนึ่งตำแหน่ง(ป.5) (math worksheet of multiplication)


ชื่อ  สกุล .................................................................................... ชั้น............. เลขที่ ...................


ใบงาน  เรื่อง การคูณทศนิยมหนึ่งตำแหน่งด้วยทศนิยมหนึ่งตำแหน่ง


คำชี้แจง ให้นักเรียนแสดงวิธีทำหาคำตอบ          ต่อไปนี้
1)   234.3 ×  1.6
     ×
 
วิธีทำ   2 3 4 3           
                   1   6         

             1 4 0 5 8 
                        + 
          2 3 4 3 

                   3 7 4 8 8



ตอบ      234.3 × 1.6 = 374.88



5) 4.6 × 8.9
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2)   9.9 × 1.5
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66.7 × 4.9
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3) 125.3 × 2.9
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73454.6 × 1.2
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4) 431.5 × 1.9
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82348.5 × 0.9
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