= = = == 0×1.27= = == = = 1.5÷25%+1.5=
怎样简便怎样算:①893﹣126﹣374②45.6+2.37+4.4 ③102×45④32×125×25 ⑤43×99+43 ⑥(40+8)×25.
用简便方法计算.329×101 54×98+46×98 98×125.
脱式计算,能简算的可简算.①+++ ②+(+) ③32×0.25×0.125 ④0.75+0.125++.
选择合适的方法计算:4.72﹣0.56+1.28 78×99 45×8×125 48×19+58.
怎样简便就怎样算:(250+25)×4; 42×42+42×58; 99×57; 125×32.