竖式计算12.42+0.48= 0.56+11.534= 44﹣22.13=91﹣22.035= 52.6+21.237= 9.15﹣2.18=
脱式计算(能简算的要简算) 2.5×7.1×416.12×99+16.12 5.2×0.9+0.9×4.8[113﹣(34.15+38.25)]÷2 3.6÷(1.2+0.6)×0.54.82÷0.25+1.25÷0.25.
38.8×61.6+38.8×37.4+3.88×10.
计算下面各题,能简算的要简算. 1.25×2.5×0.832.64÷2.04×0.3 1.5×101﹣1.510.1×7.8 13÷0.4÷2.52.8×7.3+0.27×28.
用递等式计算. 600﹣(4.06+6.4)×0.5 3.69×7.5+36.9×0.25.
用递等式计算,能简便的要简便计算 8.3﹣2.4×1.523.4÷7.8+2.1 2.5×6.3+2.5×3.71.25×2.3×0.8.