题文
×80% 1﹣78% 100﹣56%
÷40%
60%×70% 8.7×45% 1+1% 25×
.
1.2+20%+
×90% 8×(1+25%) 80%÷
.
×80% 1﹣78% 100﹣56%
÷40%
60%×70% 8.7×45% 1+1% 25×
.
1.2+20%+
×90% 8×(1+25%) 80%÷
.
试题篮
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