1.-4.5
2.43.2
3.-30
4.-1/3
5.0.1
6.7
7.-338
8.-239
有理数乘法,7道
有理数乘法,7道
1.25x(-1 /1/7)x(-3.2)x(-7/8) (-12)x(-1 1/7)x(-3.2)x(-7/8)
(-2)x(-7)x(+5)x(-3/7) 5/31x(-2/9)x(-2 1/15)x(-4 1/2)
(-10)x(3/10-1/2+1/5-0.01)(-1/2+1/6-3/8+5/12)x(-24)
9 16/17x(-34) (-29 7/8)x8
1.25x(-1 /1/7)x(-3.2)x(-7/8) (-12)x(-1 1/7)x(-3.2)x(-7/8)
(-2)x(-7)x(+5)x(-3/7) 5/31x(-2/9)x(-2 1/15)x(-4 1/2)
(-10)x(3/10-1/2+1/5-0.01)(-1/2+1/6-3/8+5/12)x(-24)
9 16/17x(-34) (-29 7/8)x8
数学人气:237 ℃时间:2020-03-26 05:13:57
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