小数加减乘除法口算练习题.docx

小数加减乘除法口算练习题 4.3-2.5= 0.17+0.06= 1.02-0.09= 720800= 0.17+0.6= 0.83-0.6= 17300= 0.98-0.09= 9.94-5.83= 2.43= 0.2+0.78= 0.60.7= 10.2+0.02= 0.15+0.7= 240.03= 6.7+2.5= 10.2+0.2= 9.2-6.1= 8.55= 5.6+0.24= 3.2-3.2= 3.7+2.3= 2.5100= 3.12-0.32= 14.73.89 2+2.8= 3.8-2.9= 0.35+0.5= 0.35+0.63= 4.569.1 3.570= 3.1+3= 3.8+0.38= 7.525= 4.2-3.5= 3.8+1=