小学数学四年级下册口算100题.（小数加减法!）
小学数学四年级下册口算100题.（小数加减法!）
数学人气：481 ℃时间：2019-08-22 14:11:09
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0.3+1.5 2.5+9.8 7.6+1.3 4.4+5.7 2.3+7.7 5.7+3.1 7.69+2.31 9.16+2.64 5.68+12.22 16.8+16.5 26.3+14.6+2.1 96.9+3.4+0.7 32.2+2.1 6.4+8.2 28.01+2.09 3.4+6.8 6.9+7.1+3.6-2.4 6.8-3.8 4.26-3.71 8.1+3.6 23.1+2...
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