0.2×0.3= 4.8÷1.2= 2.5×0.4= 8×12.5= 7÷0.1= 36÷0.4=1×0.7= 4.4÷1.1= 4.7+3= 1﹣0.87= 0.93×2= 10﹣7.25=9÷4.5= 1.8×100= 9.5÷0.5= 4.2+8= 4.5÷4.5= 6.4×3.2×0=
计算下列各题 ①×+25%×+0.25×②[1﹣(+)]÷ ③9.6﹣11÷7+×4 ④.
计算(能简算要简算) (1)(2) (3)(4).
直接写出得数. 2.5×8= 9÷=×3÷×3= 12×(﹣)=
(78.6﹣0.786×25十75%×21.4)÷15×1997 8888008×125 2001×3.14+200.1×31.4+20.01×314 0.525÷13.125÷4×85.2.
6.4×2.5+2×3.4+25%15.7×7.7+1.57×22+1.57 12.56﹣(+2.56+)×﹣× 2010×3.65÷〔0.1÷(2.1﹣2.09)〕