题文
脱式计算,能简便的要简便.
1.25×9.76×80 3.2×2.5 23.6×99+23.6
36.7+63.3×2.4 54.3÷4÷2.5 0.75×18÷0.15.
脱式计算,能简便的要简便.
1.25×9.76×80 3.2×2.5 23.6×99+23.6
36.7+63.3×2.4 54.3÷4÷2.5 0.75×18÷0.15.
试题篮
()