16×2= 80÷5= 4900÷70= 56+44×3=0÷123= 25÷8= 812÷9= 270×3÷90=15×6= 810﹣120= 309+3= 5×4÷5×4=333÷3= 120×0= 51÷3= 125×3×8=
直接写出得数:0.63+0.37= 6.8﹣0.25= 6.4+3.6×2=2.5×2.8×4= 36×20= 9.2÷0.01=6.8﹣6.8×0.1= 21.3﹣3= 63+3.7﹣6.3+3.7=
用竖式计算. 100﹣33.9= 0.28×1.5= 1.44÷18=6.2+14.98= 3.8×0.15= 0.32×7.9=
直接写得数3×1.16= 5.79+2.63+4.21=0.25×12=1.2÷4=1.35×6=1.68÷0.3=10﹣0.18﹣0.12=0.54×101=0.64÷1.6×1.7=6.5﹣5=
口算.1.5×4= ;2.6×0.2= ;6.4+0.08= ;3.5+7.6= ;0.12×3= ;1﹣0.125= ;0.4÷0.5= ;8.1﹣0.03= ;4.2×0.1= ;0.25÷10= .
直接写出得数1﹣0.25= 3.4+1.6= 4.3﹣0.8= 2.7+8.4= 10.2﹣2= 4.9×1000=0.5×0.3= 3.26÷100= 0.25×4= 3.06÷1000= 14×0.2= 12.5÷10=20×0.4= 0.87﹣0.6= 1.1×0.4= 0.73+1.23= 9.7×100= 1.25×8=