用递等式计算.(能简算的要写出简算过程)
(1)1.25×3.2×0.25 (2)6.4×0.27+3.6×0.27
(3)3.84﹣0.84×5÷1.5 (4)2.5×0.99
(5)8.19+0.5×(4.36﹣2.74) (6)1.8×2.48+1.52×1.8﹣0.5
(7)[(6﹣4.2)×2.5]÷2.5×1 (8)4.02÷[(1﹣0.4)÷0.1].
用递等式计算.(能简算的要写出简算过程)
(1)1.25×3.2×0.25 (2)6.4×0.27+3.6×0.27
(3)3.84﹣0.84×5÷1.5 (4)2.5×0.99
(5)8.19+0.5×(4.36﹣2.74) (6)1.8×2.48+1.52×1.8﹣0.5
(7)[(6﹣4.2)×2.5]÷2.5×1 (8)4.02÷[(1﹣0.4)÷0.1].
试题篮
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