www.fltk.net > 六年级数学小数分数整数混合笔算题我要125道人教版上册

六年级数学小数分数整数混合笔算题我要125道人教版上册

1 十五之七*0.375+十五分之八*37.5% 原式=7/15 *0.375+8/15

3.2-2.2=6.8+0.8=9.46+2.8=6.12+3.3=4.74-1.7= 3.7-2

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