六年级的简便计算题
发布时间:2025-10-08 | 来源:互联网转载和整理
125×32×251/5×7/8+7/8×4/586-86×99%13/29÷8+16/29×1/8
=125×8×4×25=7/8×(1/5+4/5)=86×(1-99%)=13/29×1/8+16/29×1/8
=1000×100=7/8×1=86×1%=(13/29+16/29)×1/8
=100000=7/8=0.86=1×1/8=1/8
(1/2+2/3-5/6)×12(1/8+1/3)×8×3907×99+907
=1/2×12+2/3×12-5/6×12=1/8×8×3+1/3×8×3=907×(99+1)
=6+8-10=3+8=907×100
=4=11=90700
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