一部电视连续剧的总长度是600分钟．要在15天之内播完．这部电视连续剧平均每天要播出多长时问？
直接写出计算结果．×12=÷=1﹣10%=+=4×25%=18÷=
直接写出得数：1﹣5%= += ×= 3÷=6×= ×= += ÷=÷12= ﹣=
+= ﹣= 298+76= 4.8÷0.01=12×（×）= 0.25×12= 3.28×0×72%= 4.62+6.8=3.75﹣2.8= ÷=
= = = == 99×0.25+0.25= = 7.2÷100﹣0.72÷10== =
直接写出得数．138+17= 83﹣57= 4708﹣999= 402×5= 20×500=320÷80= 15.7+3= 10.9+1.09= 1﹣0.09= 0.9﹣0.26=4×3.14= 3.25×4= 6.4÷0.8= 0.48÷0.03= +=+= ×4= ×= 24÷= +÷+=
×12=
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= 3÷
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×
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÷12= 
﹣
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）= 0.25×12= 3.28×0×72%= 4.62+6.8=
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= 99×0.25+0.25= 
= 7.2÷100﹣0.72÷10=
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×4= 
×
= 24÷
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