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=
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 ÷ 3 5 = 4 7 + 2 7 ÷2 = 5-5÷6= 30%+6.5= 5÷21×7= 1 2 + 3 4 -0.5 = 5 7 ÷ 10 21 = 5× 2 5 ÷5× 2 5 = 42 7 15 ÷7 =
