
六年级数学题(分数四则混合运算)
能简算的要简算要过程和结果(1/3+1/4)x6/71/2÷3/4+3/82/3x5/7+2/7÷3/2...
能简算的要简算 要过程和结果
(1/3+1/4)x6/7
1/2÷3/4+3/8
2/3x5/7+2/7÷3/2 展开
(1/3+1/4)x6/7
1/2÷3/4+3/8
2/3x5/7+2/7÷3/2 展开
展开全部
(1/3+1/4)x6/7
=7/12×6/7
=1/2
1/2÷3/4+3/8
=1/2×4/3+3/8
=2/3+3/8
=(16+9)/24
=25/24
2/3x5/7+2/7÷3/2
=10/21+2/7×2/3
=10/21+4/21
=14/21
=2/3
=7/12×6/7
=1/2
1/2÷3/4+3/8
=1/2×4/3+3/8
=2/3+3/8
=(16+9)/24
=25/24
2/3x5/7+2/7÷3/2
=10/21+2/7×2/3
=10/21+4/21
=14/21
=2/3
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