来自罗晓光的问题
脱式计算.(能简算的要简算)(1.6×58+3.6÷34)×4293.14×38+2.625×3.14[1110-(0.5+23×50%)]÷11151.8×25%+0.25×2.2.
脱式计算.(能简算的要简算)
(1.6×58+3.6÷34)×429
3.14×38+2.625×3.14
[1110-(0.5+23×50%)]÷1115
1.8×25%+0.25×2.2.


脱式计算.(能简算的要简算)(1.6×58+3.6÷34)×4293.14×38+2.625×3.14[1110-(0.5+23×50%)]÷11151.8×25%+0.25×2.2.
脱式计算.(能简算的要简算)
(1.6×58+3.6÷34)×429
3.14×38+2.625×3.14
[1110-(0.5+23×50%)]÷1115
1.8×25%+0.25×2.2.
(1)(1.6×58+3.6÷34)×429,=(1+3.6×43)×429,=(1+4.8)×429,=5.8×429,=0.8;(2)3.14×38+2.625×3.14,=3.14×0.375+2.625×3.14,=(0.375+2.625)×3.14,=3×3.14,=9.42;(3)[1110-(0.5+23...