脱式计算,能简算的要简算.
98.9×99 8.53﹣(2.25+3.53) 0.725÷0.5÷0.2
0.25×7×4×0.6 2.7×3.6+1.4×2.7 80.8×101﹣80.8.
脱式计算,能简算的要简算.
98.9×99 8.53﹣(2.25+3.53) 0.725÷0.5÷0.2
0.25×7×4×0.6 2.7×3.6+1.4×2.7 80.8×101﹣80.8.
试题篮
()