直接写出结果
568﹣198= 0.65÷1.3= 4.5×102= 5﹣0.25+0.75= 3.7×99+3.7=
0.4÷40%= 600÷25÷8= 1.2
= 
= 5﹣5÷6=
30%+6.5= 5÷21×7= 
= 
= 
=
=
直接写出结果
568﹣198= 0.65÷1.3= 4.5×102= 5﹣0.25+0.75= 3.7×99+3.7=
0.4÷40%= 600÷25÷8= 1.2= = 5﹣5÷6=
30%+6.5= 5÷21×7= = = ==
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