简便方法计算 0.86+8.6x9.9 =
简便方法计算0.86+8.6x9.9=(5.6×3.6×2)÷(1.8×2.8×4)35.2×45.6+45.6×63.8+45.6=(58.8×0.7+0.27×58....
简便方法计算
0.86+8.6x9.9
=
( 5.6×3.6×2)÷(1.8×2.8×4)
35.2×45.6+45.6×63.8+45.6
=
( 58.8×0.7+0.27×58.8)÷0.01
=
0.83×0.68+11.7×0.068
= 展开
0.86+8.6x9.9
=
( 5.6×3.6×2)÷(1.8×2.8×4)
35.2×45.6+45.6×63.8+45.6
=
( 58.8×0.7+0.27×58.8)÷0.01
=
0.83×0.68+11.7×0.068
= 展开
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