计算题,最好用本子写了拍下来
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(4)原式=-1-1.5×1/3×[1/4-1/8]
=-1-0.5×1/8
=-1-1/绝枝16
=-1又1/16
(5)原式=-8÷8/5×16/9÷25/9
=-5×16/9×9/25
=-80/9×9/25
=-3.2
(6)原式=-3/2×[1-3×4/9]-1/16×(-8)÷(迅握-27/64)
=-3/2×[1-4/3]+1/2×(-64/27)并昌敏
=-3/2×(-1/3)-32/27
=1/2-32/27
=-37/54
=-1-0.5×1/8
=-1-1/绝枝16
=-1又1/16
(5)原式=-8÷8/5×16/9÷25/9
=-5×16/9×9/25
=-80/9×9/25
=-3.2
(6)原式=-3/2×[1-3×4/9]-1/16×(-8)÷(迅握-27/64)
=-3/2×[1-4/3]+1/2×(-64/27)并昌敏
=-3/2×(-1/3)-32/27
=1/2-32/27
=-37/54
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