计算:+++++…+.
口算1.6÷0.4= 0.77×1= 7.5÷3= 1.5×6=0.125×8= 31.4÷3.14= 1.4×10= 0.1×6.4=3.6×0.2= 1.5÷1.5= 2.8÷0.4= 2.3+1.8=10÷0.1= 4.16÷1= 0.45×0.1= 0.2×11=3.6÷2= 1.2÷0.02= 72÷0.9= 25×0.4=
直接写出得数.1÷0.125= 1.6×0.5= 0.25÷0.1= 4.8÷0.48×0.01=0.65×0.2= 10﹣0.99= 8.8﹣7.8= 5.4×2÷5.4×2=
口算8×0.4= 0.1﹣0.01= 1÷0.25= 2.5+0.6=0.12×0= 0.63÷0.9= 5.2+3.8= 5﹣0.64=8.7﹣0.55﹣0.45= 1÷0.125÷8=
直接写得数. 4.2×0.1= 8÷0.01= 0.25×4= 26÷4=4.2÷2= 0.6×4= 0.36÷3= 0.1×3.5=2÷0.5= 8.9÷0.l= 0.6×4= 21÷0.7=