6年級上冊100道脱式計算帶答案

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6年級上冊100道脱式計算帶答案

1、6÷ 3/8 – 3/8 ÷6

=1/6x(3/8-3/8)

=1/6x0

=0

2、4/7 × 5/9 + 3/7 × 5/9

=(4/7+3/7)x5/9

=1x5/9

=5/9

3、5/2 -( 3/2 + 4/5 )

=5/2-3/2-4/5

=1-4/5

=1/5

4、6 ×( 1/2 + 2/3 )

=6x1/2+6x2/3

=3+4

=7

5、8 × 4/5 + 8 × 11/5

=8x(4/5+11/5)

=8x3

=24

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