六年级苏教版上册数学练习册答案113页 - 知识问答

六年级苏教版上册数学练习册答案113页

1个回答

1：⑴ A ⑵ B ⑶C
2：⑴ 7 42 28
⑵ 5/4
⑶ 31
3：8/3 7/12 8/5 4/25
(3/4－2/3)÷1/5 (3/8+2/17)×8+1/17
=1/12×5 =3/8X8+2/17X2+1/17
=5/12 =3+(16/17+1/17)
=3+1
=4

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