直接写数对又快.3.5×4= 8.2+2.08= 36÷0.01= 99+1÷10=6﹣2.4×2= 4÷0.5= 2÷25= 0.25×0.4=0.46÷4.6= 0.27÷0.3×0.3= 6.9﹣6.9×0= 7.5×2.5×4=4.3×101﹣4.3= 1÷0.1﹣9×0.1= 37.2×99+37.2= 7.1﹣0.6﹣0.4=
直接写出得数. 3.4﹣1.4= 0.68+0.42= 4.8+2= 0.48+0.52= 2+9.1= 8.1﹣5.1= 2.6+2= 0.8+0.18= 3.5+0.3= 0.72﹣0.09= 1﹣0.01= 7.82﹣7.2= 6.5﹣5.6= 0.78﹣0.24= 0.24+0.6= 0.6+0.34=
直接写得数 2.7﹣0.7= 8.3+0.05= 1.75+8.25= 2.21﹣1.1= 0.28+0.2= 0.6+0.3= 8.8﹣0.5= 0.88﹣0.08=
用竖式计算. 5.9+0.3= 10﹣1.5= 23×91= 56×24=
3.7+0.56= 1.3﹣0.8= 18.5÷100= 0.66+2.2= 6.22﹣3.2= 4.9÷0.01= 12.7﹣7.5+2.3= 1.25×0.8﹣0.1= 0.6+0.6÷0.1=
用竖式计算. 2.5+2.7= ; 41×24= ; 6.1﹣5.6= ; 29×53= .