计算下面各题,能简算的要用简便方法算.4÷﹣÷4 38×1.25+15÷80%+1.25×27 ×58+×41+13×(+×11 ) (+)×16+
直接写得数. 365+199=1.32÷0.25÷4=(﹣)×20= 3÷8+= 2626÷26=0.15+0.85= 6÷×=44÷=
简便计算. 44×0.25(+)×15×1785.57﹣(5.57﹣3.8)
计算. 8.8﹣﹣(0.8+)×〔1﹣(﹣)〕×7.8﹣0.75×2.8﹣75% 111×28+999×8×8.9+×10%2+1+2.25+3.
脱式计算. 0.25×1.25×4×82.125×+1.875÷4(2.5﹣0.125)×0.8+6.24 2÷﹣÷22.25×4.8+77.5×0.4836×(+)
怎样算简便就怎样算. 12.7×99+12.7 25×32×0.125(7.6×15+2.4×5)÷126 16.8﹣2.25﹣4.63.