计算,能简算的要简算.(1)36÷1.5-12×0.4(2)(4-135)÷(456÷380)(3)4×0.8×25×0.125(4)121×10111(5)1479-(325-313)×123(6)27.5×16+13×27.5+27.5×12.-数学
题文
计算,能简算的要简算. (1)36÷1.5-
(2)(4-1
(3)4×0.8×25×0.125 (4)121×10
(5)14
(6)27.5×
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答案
(1)36÷1.5-
=24-0.2, =23.8; (2)(4-1
=2
=2.4÷1.2, =2; (3)4×0.8×25×0.125, =(4×25)×(0.8×0.125), =100×0.1, =10; (4)121×10
=121×(10+
=121×10+121×
=1210+11, =1221; (5)14
=14
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