1: ⑴ 47+36
⑵ 3/7+(3/5+2/5)
⑶ 2.3x6.1
⑷ (2.5x4)x(12.5x8)
⑸ 3/5x(19/25+6/25)
2: -(74+26)
-b-c
÷2÷5
bxc
x(201-1)
axb-axc
3:
=300-105
=195
=3.6÷(7.2-6)
=3.6÷1.2
=3
=21÷(5/15+6/15)÷9/11
=21÷11/15÷9/11
=21x15/11x11/9
= 35
【www.ksjqmj.com--六年级练习与测试答案】
1: ⑴ 47+36
⑵ 3/7+(3/5+2/5)
⑶ 2.3x6.1
⑷ (2.5x4)x(12.5x8)
⑸ 3/5x(19/25+6/25)
2: -(74+26)
-b-c
÷2÷5
bxc
x(201-1)
axb-axc
3:
=300-105
=195
=3.6÷(7.2-6)
=3.6÷1.2
=3
=21÷(5/15+6/15)÷9/11
=21÷11/15÷9/11
=21x15/11x11/9
= 35
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