1.76乘以4点9=目录
0.6×2=1.2,4.8÷0.6=8,1.7 3=4.7,4×9×0.25=9,1.25×16=20,9.6÷32=0.3,2-0.09=1.91,8.5-0.24-1.76=6.5,26.26÷26=1.01,4.57 6.43=11,7.9×11-7.9=79,3.14×32=28.26.
九点九乘四点二
9.9x4.2=(1-0.1)x4.2
=1x4.2-0.1x4.2
=4.2-0.42
=3.78
解题思路:根据小数加减乘除法的计算方法进行解答即可.
0.6×2=1.2
4.8÷0.6=8
4×9×0.25=9
1.25×16=209.6÷32=0.38.5-0.24-1.76=6.5
0.56 4.44=51.53-0.5=1.037.6×8 2.4×8=80
,8,口算
0.6×2=
4.8÷0.6=
4×9×0.25=1.25×16=9.6÷32=8.5-0.24-1.76=0.56 4.44=1.53-0.5=7.6×8 2.4×8=
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