简便运算 3.2×2.5×0.12574.9÷ 0.25÷ 4 2.5×0.37× 0.04 3.68×7.8+2.2×3.68 3.8×0.6+62×0.06 4.7×9.9+0.47 24.98—(1.36+1.98) 4.69×10.1 3.2×2.5×0.125 74.9÷ 0.25÷ 4 2.5×0.37× 0.04 3.68×7.8+2.2×3.68 3.8×0.6+62×0.06 4.7×9.9+0.47 24.98—(1.36+1.98) 4.69×10.1祝你学习进步，天天开心，采纳吧！
