对号入座.(请你用线连一连)
列竖式计算10.73﹣4.64 0.085×0.24 69÷0.46 37.195÷21.5.
直接写得数:4.2+5.08= 7.2÷0.072= 4.3﹣3= 0.75÷1.5=3.6×0.7÷3.6×0.7= 1.05﹣0.95= 2.5×4= 2.5×2.4=3.2﹣1.34﹣1.66= 1÷1.25÷4= 12.8﹣0.28= 1.25×0.8=8.4×5= 5.6﹣5.6÷7= 0.8+0.2﹣0.8+0.2=
直接写得数.7.8+2.2= 27+456+73= 8﹣3.5= 4÷9= 14÷15=70÷0.5= 3×0.2×0.5= 5÷8= 99÷100= 7.9÷0.1=
估算. 4.83×0.52≈ 5.03×3.98≈ 4.01×8.9≈ 15.2÷2.9≈ 4.83÷0.21≈ 55.8÷3.9≈
口算:0.3÷0.1= 3.25×4= 15.5+0.45= 23×0.02= 0+2÷4=302= 0.43= 3.05÷100= 1﹣0.99= 4.5÷3×3=