2.3×0.48+0.48×8.7-0.12×4(巧算)
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2.3×0.48+0.48×8.7-0.12×4(巧算)2.3×0.48+0.48×8.7-0.12×4(巧算)2.3×0.48+0.48×8.7-0.12×4(巧算)2.3×0.48+0.48×8.
2.3×0.48+0.48×8.7-0.12×4(巧算)
2.3×0.48+0.48×8.7-0.12×4(巧算)
2.3×0.48+0.48×8.7-0.12×4(巧算)
2.3×0.48+0.48×8.7-0.12×4
=2.3×0.48+0.48×8.7-0.48
=2.3*0.48+0.48+8.7-0.48*1
=0.48*(2.3+8.7-1)
=0.48*10
=4.8
=2.3*0.48+0.48×8.7-0.48*2
=0.48*(2.3+8.7-1)
=0.48*10
=4.8
原式=0.48(2.3+8.7-1)=0.48*10=4.8
2.3×0.48+0.48×8.7-0.12×4(巧算)
380/7.6(巧算) 2.3*0.48+0.48*8.7-0.12*4(巧算)380/7.6(巧算)2.3*0.48+0.48*8.7-0.12*4(巧算)
X-0.48X=0.
3X-0.11=0.48*3+0.
0.48×3.2+7.8×0.48-0.48简算
1、x-0.1x=0.63 (解方程)2、x÷3+0.3=2.1 (解方程)3、2(x+1)=23 (解方程)4、2.3×0.48+0.48×8.7-0.12×4 (递等式计算)5、小胖上学期期末考试,数学、语文、英语三科的平均成绩是92分,如果不算数
42.72/0.48+0.52+0.48简便计算
2.25*4.8+77.5*0.48
2.25×4.8+77.5×0.48
48*0.56+44*0.48
0.48的比值是
(1 +0.37+0.48)(0.37+0.48+0.59)-(1+0.37+0.48+0.59)(0.37+0.48)
2.85+0.48(x-2)
0.48÷2.1=
96.4÷0.48=
0.48米等于?厘米
10*(?)-(?)*0.4=0.48
8000÷0.48=?