脱式计算,能简算要简算.(2.74+2.74+…+2.74共40个)×0.254.5×100.23.2×1.25×2.56.9×3.84+3.84×3.14.8+5.2×0.850.8×(3.2-2.99÷2.3)
脱式计算,能简算要简算.(2.74+2.74+…+2.74共40个)×0.254.5×100.23.2×1.25×2.56.9×3.84+3.84×3.14.8+5.2×0.850.8×(3.2-2.99÷2.3)
发布时间:2024-09-12 19:11:44