×+÷13 3.8×99+3.8 3.2×10.1+﹣+6.75 5﹣×﹣ 45×(+﹣)
直接写得数. 0.01×6.8= 3.6÷0.4= 1.25×4.3×0.8=7.2÷36= 4.8×0.2= 3÷0.25÷4=3.7+2.5= 2.87÷0.7= 2.7×0.6+0.6×0.3=
直接写出结果:0.25×4= 4.8÷8= 0.5+0.5÷0.5= 50×0.8= 0.99÷33=1.25×80= 4.5×0.1= 2.4÷0.8= 0.67+1.24= 9.6÷1.6=2.5×0.4= 8.2÷0.01= 1.3×7= 5.2÷1.3= 1.5×8=0.8×11= 7.2÷0.08= (2.7﹣2.7)×3.5= 2÷0.4= 3.06×0.2=
竖式计算验算(1)2.4×0.15= (2)7.15÷2.5=
直接写出得数. 0.3×0.2= 2.4×10= 4.2÷0.7= 0.78÷0.3= 7.5÷0.15= 100×0.74=
用竖式计算并验算.1.8×2.5 4.25÷0.5.