题文
计算.
546﹣398= 457+199= 2.2×101=
32×0.125×25= 5.4×99+5.4= (
+
+
)×21=
999×999+999= 18.7×101﹣18.7=
计算.
546﹣398= 457+199= 2.2×101=
32×0.125×25= 5.4×99+5.4= (
+
+
)×21=
999×999+999= 18.7×101﹣18.7=
试题篮
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