脱试计算(不要简便)要过程12×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10(1/6+5/6)×1512×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10 (1/6+5
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 20:16:49
![脱试计算(不要简便)要过程12×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10(1/6+5/6)×1512×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10 (1/6+5](/uploads/image/z/13165506-18-6.jpg?t=%E8%84%B1%E8%AF%95%E8%AE%A1%E7%AE%97%28%E4%B8%8D%E8%A6%81%E7%AE%80%E4%BE%BF%29%E8%A6%81%E8%BF%87%E7%A8%8B12%C3%971%2F3%2B12%C3%973%2F4++++++++5%2F8%C3%974%2F25%C3%B73%2F10++++++++++5%2F9%C3%B710%C3%973%2F4++++++++3%2F4%C3%9710-2%2F5%C3%9710%281%2F6%2B5%2F6%29%C3%971512%C3%971%2F3%2B12%C3%973%2F4++++++5%2F8%C3%974%2F25%C3%B73%2F10++++++++++++++++5%2F9%C3%B710%C3%973%2F4++++++++++++3%2F4%C3%9710-2%2F5%C3%9710++++++++++++++++++++++%281%2F6%2B5)
脱试计算(不要简便)要过程12×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10(1/6+5/6)×1512×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10 (1/6+5
脱试计算(不要简便)要过程
12×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10
(1/6+5/6)×15
12×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10 (1/6+5/6)×15
脱试计算(不要简便)要过程12×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10(1/6+5/6)×1512×1/3+12×3/4 5/8×4/25÷3/10 5/9÷10×3/4 3/4×10-2/5×10 (1/6+5
12×1/3+12×3/4
=4+9
=13
5/8×4/25÷3/10
=1/10÷3/10
=1/10×10/3
=1/3
5/9÷10×3/4
=5/9×1/10×3/4
=1/18×3/4
=1/24
3/4×10-2/5×10
=15/2-4
=7/2
(1/6+5/6)×15
=1×15
=15
12×1/3+12×3/4
=4+9=13
5/8×4/25÷3/10
=1/10×10/3
=1/3
5/9÷10×3/4
=5/9×1/10×3/4
=1/24
3/4×10-2/5×10
=15/2-4
=3又1/2
(1/6+5/6)×15
=1×15
=15