用竖式计算:①7056﹣1378=②1009×7=③3012÷6=④6010﹣3894=⑤7×205=
怎样简便就怎样算.3280÷16+600 18.75﹣6.2﹣3.8 25×(100+4) 3.75+4.5÷0.18×0.25 25×32×125 (7.6×15+2.4×5)÷126.
递等式计算,能简算的要简算.①4.8×3.9+6.1×4②18 ﹣(2.35+8.6)③320×125 ④1.7+3.98+5.
能简便计算的用简便方法计算.÷× ×+0.25×﹣ (+)÷×+÷ ÷[(+)×] ++++….
脱式计算.0.25×+2.5% 9.6﹣11÷7+×4 (×+)÷ ÷(﹣×)
计算(能简算的要简算)32×0.25×12.5= 10÷[﹣(÷+)]= 12.85﹣1.17﹣8.83+1.15= ÷[(+)÷]= 75%×3.6+0.75×+= (20.2×0.4+7.88)÷4.2=