五年级上数学小数乘除法口算天天练.docVIP

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五年级上数学小数乘除法口算天天练.doc

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五年级上数学小数乘除法口算天天练

口算专项训练（1） 0.4 × 4 = 2× 4.4 = 3.9 × 2 = 2 × 2.8 = 1.6 × 3= 7.4 × 3= 2.4 × 3= 3.7 × 3= 7.1 × 3 = 2.2 × 4 = 8× 4.1 = 6.3 × 4= 1.9 × 4= 2.3 × 4= 7 × 2.6 = 6.7 × 4 = 1.9 × 8 = 7.4 × 0 = 4.3 × 1 = 2.2 × 2 = 2.5 × 9 = 6.7 × 8 = 2.3× 8 = 4.4 × 2 = 5.4 × 6 = 8.2 × 9 = 4.5 × 6 = 3.4 × 8 = 1.9 × 3 = 2× 4.3 = 3 × 5.4 = 3 × 6.6 = 3 × 6.7 = 0.3 × 8 = 0.4 × 7 = 3.4 × 4 = 5 × 0.8 = 1.5 × 6 = 6× 8.1 = 0.6 × 9= 6.3 × 4= 1.9 × 4 = 2.3 × 3 = 6 × 4.3 = 8× 4.3= 3.9 × 2 = 2 × 2.8 = 1.6 × 3= 7.4 × 3= 2.4 × 3= 3.7 × 3= 7.1 × 3 = 2.2 × 4 = 8× 4.1 = 3 × 5.4 = 3 × 6.6 = 3 × 6.7 = 0.3 × 8 = 0.4 × 7 = 口算专项训练（2） 0.3 × 100 = 0.46 ×10 = 6.6 × 10= 5.2 × 10 = 2.4 × 10 = 7.9 × 10= 10 × 9.72 = 2.3 1× 10= 10 × 3.3 1= 10 0× 6.8 = 10 × 8.37 = 1 0× 4.6 = 10 × 5.66 = 0.1 × 10 = 10× 8.5 = 68.2 × 10 = 51.2 × 100 = 4.2 × 100 = 10.3 × 10= 1.3 × 10 = 1000 × 5.4 = 5.3 × 100 = 1000 × 6.73= 10× 8.1 = 100 × 7.4 = 8.87 × 100= 8.98 × 100= 8.8 × 10 = 1000 × 5.2 = 100 × 2.05 = 4.9 × 1000= 10× 0.22 = 1000 × 2.2 = 10 × 2.3 = 100 × 2.6 = 100 × 2.8 = 1.67 × 1000 = 7.4 × 10 = 2.4 × 1 00= 100 × 3.19 = 100 × 3.2 = 2.2 × 100 = 100 × 3.8 = 9.9 × 1000 = 100 × 4.1 = 6.3 7× 10 = 100× 4.1 = 0.3 × 10= 1000 × 0.3 5= 10 × 4.38 = 6.4 × 100 = 2.5 6× 100= 13.4 × 10= 0.5 × 100 = 0.5 × 10 = 20.6 × 1 00= 0.9 ×100 = 100 × 10.8 = 10× 4.52 = 1000× 5.41 = 小数乘整数(3) 口算专项训练（3） 2.4 × 1 00= 100 × 3.19 = 0.3 × 10= 1000 × 0.3 5= 10 × 4.38 = 6.4 × 100 = 2.5 6× 100= 13.4 × 10= 100 × 3.2 = 2.2 × 100 = 100 × 3.8 = 9.9 × 1000 = 9.5 × 100 = 100× 6.76 = 5.5 × 10 = 100 × 6.93 = 9.2 × 100 = 10.3 × 10= 1.3 × 10 = 1000 × 5.4 = 5.3 × 100 = 1000 × 6.73= 1.46 ×100 = 27.4 ×100 = 2.54 ×1000 = 3.76 ×100 = 7.17 ×1000 = 2.25 ×1000 = 100× 4.15 = 8.3 × 5 = 100× 8.35 = 10 × 8.38 = 7.8 ×10 0= 10 × 8.64 = 10× 8.9 = 7.4 × 100 = 4.36 × 100 = 1.25 ×8= 0.25 ×4= 3.2 × 5= 7.2 × 6= 4 × 6.1 = 8.4 × 2 = 10 × 6.48 = 5.1 3× 100= 100× 8.2 7= 4.31 × 8= 8.22 × 3 = 1000 × 5.4 = 5.3 × 100 = 1000 × 6.73= 10× 8.1 = 100 × 7.4 = 8.87 × 100= 2.8 × 30= 8.3 × 2 = 7.5 × 2 0= 7.9 × 2 = 6.6