口算：
12×0.6= 4.5÷
= 
﹣
= 28×20%= 1.6×
=
1÷
= 36×
= 15÷
= 32= 0.12=
18.84÷3.14= 6.28÷3.14= 
﹣
= 35×
= 1﹣4%=
7÷1.4= 1÷5%= 70%﹣60%= 80×125%= 2+53%=
相关试题
= 204÷12= 
+
=
+
= 0.9+99×0.9=
= 
+
= 
÷
﹣0.25=
×
= 1÷
÷
= 80×40%=直接写出得数．
243+49= 198﹣79= 9.3+4.76= 20.67﹣8.7
320×0.5= 12.5×
= 45÷0.15= 
﹣
=
8×12.5%= 102﹣62= 0.53= 1÷1%=
32×98≈ 621÷59≈ 347÷51≈ 252×62≈
= 
﹣
= 
×
=
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