小数加减法题答案(口算)要多题,多50题 10分,如此类推.
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17×40=100-63=3.2+1.68=2.8×0.4=14-7.4=1.92÷0.04=0.32×500=65+4.35=10-5.4=4÷20=3.5×200=1.5-0.06=0.75÷15
0.9+0.1=1-0.8=51÷3=360÷4=36+44=3800-900=4×12=80-19=7×13=4.5-4=5.6+4=5.7+3.3=10-4.4=6+6.6=9.5-2.7=1-0
1.2+1.5=2.71.3+1.5=2.80.2+1.2=1.41.3+1.08=2.385.5+2.1=7.67.8+1.9=9.71.02+1.03=2.051.2+1.5=2.71.5+1.7
0.75+0.4=1.1520+0.78=20.784.8+4.2=95.7-3=2.74.9-1.7=3.21.34+0.8=2.142-0.75=1.258.7+0.03=8.730.2-0.09
1+2,3+5.8+65,再问:额,太简单
1.5+6.8=2.6-1.3=45.6-2.6=29.8+3.2=56.3-22.5=48.2-5.69=23.6+6.6=5.5+2.3=23.6+9.5=5.3+10.2=21-2.3=23.2
0.2+2.7=5.6+4.4=9.4+0.06=0.7+0.4=0.5-0.45=10-0.1=1.8-0.9=12.6-1.2=17+0.33=1.01+0.6=7-0.05=9-0.26=7.8
0.3+1.52.5+9.87.6+1.34.4+5.72.3+7.75.7+3.17.69+2.319.16+2.645.68+12.2216.8+16.526.3+14.6+2.196.9+3.4
17×40=100-63=3.2+1.68=2.8×0.4=14-7.4=1.92÷0.04=0.32×500=65+4.35=10-5.4=4÷20=3.5×200=1.5-0.06=0.75÷15
3/4+1/5=4/53/4-1/5=11/205/6+2/9=19/185/6-2/9=11/182/3+3/5=19/152/3-3/5=1/156/7+1/2=19/146/7-1/2=5/14
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1.0.32+1.57=?2.9.25+2.25=?39.23+4.52=?4.4.22+8.46=?5.5.63+1.25=?6.9.36-1.59=?7.5.63-5.21=?8.4.65-1.1
17×40=680100-63=373.2+1.68=4.882.8×0.4=1.1214-7.4=6.61.92÷0.04=480.32×500=16065+4.35=69.3510-5.4=4.6
0.9+0.1=1-0.8=51÷3=360÷4=36+44=3800-900=4×12=80-19=7×13=4.5-4=5.6+4=5.7+3.3=10-4.4=6+6.6=9.5-2.7=1-0
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)
0.35×1.6+0.35×3.40.25×8.6×46.72-3.28-1.720.45+6.37+4.555.4+6.9×3-(25-2.5)2×41846-620-3804.8×46+4.8×5
0.7+0.94.7-0.50.56-0.461.2+0.81-0.40.39+0.157.7+0.63.6-0.84.8-35.7+0.23.6-1.67+2.38.02+15.2825-16.07
2/1*2=13/1*3=13/2*3=23/1*6=24/3*8=65/3*20=127/3*14=68/7*40=354/3*16=129/5*27=152/1*30=1512/7*24=1430
7×40=680,100-63=37,3.2+1.68=4.88,2.8×0.4=1.1214-7.4=6.6,1.92÷0.04=48,0.32×500=160,0.65+4.35=510-5.4=
小学数学五年级上册第4单元《小数加法和减法》,重点是学习小数加减法的竖式计算.在教学这部分内容时,只要强调书写竖式注意小数点对齐,也就是使数位对齐,从而让相同数位上的数字能够相加减,相信绝大部分学生计