-1.53×0.75+2.53×3/4-0.2×7.5简便怎么算教我下?
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-1.53×0.75+2.53×3/4-0.2×7.5简便怎么算教我下?-1.53×0.75+2.53×3/4-0.2×7.5简便怎么算教我下?-1.53×0.75+2.53×3/4-0.2×7.5简
-1.53×0.75+2.53×3/4-0.2×7.5简便怎么算教我下?
-1.53×0.75+2.53×3/4-0.2×7.5简便怎么算教我下?
-1.53×0.75+2.53×3/4-0.2×7.5简便怎么算教我下?
-1.53×0.75+2.53×3/4-0.2×7.5
=-1.53×0.75+2.53×0.75-2×0.75
=0.75×(-1.53+2.53-2)
=0.75×(-1)
=-0.75
(-1.5+2.53-2)*0.75
-1.53×0.75+2.53×3/4-0.2×7.5简便怎么算教我下?
【-1.53*0.75-0.53*(-4分之3)】除以(-3)的平方
负1.53乘0.75加0.53乘4分之3减3.4乘0.75
简便计算：-1.53×0.75＋1.53×2分之1＋4分之5×1.53
利用因式分解计算：98×2.53+2.53×3-2.53
简便计算：-1.53×0.75＋1.53×2分之1＋4分之5×1.53根号7）的平方+根号（-7）的平方+根号7减2减根号7的绝对值答案是什么
0.75*4+0.75*5+3/4=
3.61*0.75+0.61*3/4+(-0.2)*0.75
0.75*8/9/3/4
4分之3除以0.75
-1.53乘以0.75+0.53乘以四分之三-3.4乘以0.75等于几
简便算法 64.3*0.75+34.7*4分之3+0.75
7.5*3/4+0.75*1/2-0.75简便算
25×0.75×(-4)×(-3分之4)
5/9*0.75+3/4*4/9
3/8+0.75+0.625+1/4简算
0.75*65+3/4*34+75% 简算
4分之3减0.75等于多少