一艘货船最多可以载重4吨货物，装上6台每台重600千克的机器．估算一下，超载了吗？
直接写出得数．﹣= ÷= 9÷3=9.8÷0.7= 3÷×3= ÷5=×1.6= 15×60%= 25×40%=2÷100%=
= = = =3.14×5= = = == =
直接写出得数．1﹣40%= ll7%﹣1.02= +40%= ﹣24%=60×15%= 60÷80%= ×= ÷=
直接写得数．0.16+0.64=3﹣0.7=0.15×4=1.2÷0.3=1÷0.1=+=﹣=×=÷=12÷16=
直接写得数．1﹣= 1÷= ﹣=×= 0÷=
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= 9
÷3=
×3= 
÷5=
×1.6= 15×60%= 25×40%=
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=
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=
+40%= 
﹣24%=
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= 1÷
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