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口算5×0.9=0.42÷7=0.4÷8=3.9×0=86÷0.1=30×0.05=20+12.3=54÷0.9=6.3÷0.7=9.54+0.46=10-0.1=1.5-0.01=0.8×6=3.8×0.5=45÷0.45=1.3+0.7=15+25=19+59=1-326=13-14=

题目详情
口算
5×0.9=
0.42÷7= 0.4÷8= 3.9×0=
86÷0.1= 30×0.05= 20+12.3= 54÷0.9=
6.3÷0.7= 9.54+0.46= 10-0.1= 1.5-0.01=
0.8×6= 3.8×0.5= 45÷0.45= 1.3+0.7=
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▼优质解答
答案和解析
5×0.9=4.5 0.42÷7=0.06 0.4÷8=0.05 3.9×0=0
86÷0.1=860 30×0.05=1.5 20+12.3=32.3 54÷0.9=60
6.3÷0.7=9 9.54+0.46=10 10-0.1=9.9 1.5-0.01=1.49
0.8×6=4.8 3.8×0.5=1.9 45÷0.45=100 1.3+0.7=2
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5
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5
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9
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9
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26
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12