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心算.0.6×0.7= 0.9×0.05= 0.12×0.6= 1.2×0.3= 0.03×0.6= 0.16×0.5= 0.7×0.8= 23×0.3= 0.15×0.4=

编辑:chaxungu时间:2026-04-27 13:34:22分类:小学数学题库

心算.
0.6×0.7=
0.9×0.05=0.12×0.6=
1.2×0.3=0.03×0.6=0.16×0.5=
0.7×0.8=23×0.3=0.15×0.4=
0.6×0.7=0.42;0.9×0.05=0.045;0.12×0.6=0.072;
1.2×0.3=0.36;0.03×0.6=0.018;0.16×0.5=0.08;
0.7×0.8=0.56;23×0.3=6.9;0.15×0.4=0.06.