(1)计算: - 1 4 -(1-0.5)× 1 3 ×[2- (-3) 2 ] (2)计算: -0. 5 2 + 1 4
(1)计算:-14-(1-0.5)×13×[2-(-3)2](2)计算:-0.52+14-|-23-32|-(-112)×43(3)解方程:x-7=10-4(x+0.5)...
(1)计算: - 1 4 -(1-0.5)× 1 3 ×[2- (-3) 2 ] (2)计算: -0. 5 2 + 1 4 -|- 2 3 - 3 2 |-(-1 1 2 )× 4 3 (3)解方程:x-7=10-4( x+0.5)
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