赚现金
×15+÷.
简便计算.①7.7×7+7.7×2+7.7 ②87.3×45+10.7×45+2×45 ③(2.5+2.5+2.5+2.5)×2.5×8.
43.87×2.65﹣26.5×5.613=( 265 )
用简便方法计算.15.3+0.86+0.14+4.7 147×8+8×53 6900÷25÷4 25.3﹣8.1﹣10.9.
用简便方法计算.3.4×0.46+3.4×0.54 [18.95﹣﹙8.43+3.87﹚]×2.
36×36+36×63+36.
怎样简便怎样算:(+﹣)×72 ÷+× ﹣(+)÷+× [﹣(﹣×)]÷.
用自己喜欢的方法计算25×1.25×32 915×99+915 5.18﹣(1.18﹣0.25)
用简便方法计算162+72+38 78×5×2 125×32.
怎样算简便就怎样算.9.8+99×9.8 1.25×88 4.65×32+2.5×46.5+0.465×430.
用简便方法计算.0.125×0.25×8×4 1927﹣528﹣472.
简便算法630÷7÷9 670×50×2 64×25 476﹣135﹣65 1824÷(100﹣24)
270×0.4×2×2.5×0.5.
用简便方法计算(要求写出简算过程)1.24+14.95+8.76﹣4.95 52.7﹣5.27﹣2.7 35×2014500÷25÷4 125×32 654××99+346×99.
1236÷12=
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