问题 解答题
口算:
0.9÷0.1=______;
32×0.4=______;9.6÷8=______;0.64÷8=______;
0÷45.2=______;0.32÷16=______;2.5×10=______;56÷0.7=______;
65.8÷100=______;0.36÷0.3=______;2.4×0.5=______;90.5÷1000=______.
答案

0.9÷0.1=9;32×0.4=12.8;9.6÷8=1.2;0.64÷8=0.08;
0÷45.2=0;0.32÷16=0.02;2.5×10=25;56÷0.7=80;
65.8÷100=0.658;0.36÷0.3=1.2;2.4×0.5=1.2;90.5÷1000=0.0905

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