能简算的要简算 (3)11/12×5/7+11/12×2/7 (4)7/8×15+7/8(3)11/12×5/7+11/12×2/7(4)7/8×15+7/8

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能简算的要简算(3)11/12×5/7+11/12×2/7(4)7/8×15+7/8(3)11/12×5/7+11/12×2/7(4)7/8×15+7/8能简算的要简算(3)11/12×5/7+11/

能简算的要简算 (3)11/12×5/7+11/12×2/7 (4)7/8×15+7/8(3)11/12×5/7+11/12×2/7(4)7/8×15+7/8
能简算的要简算 (3)11/12×5/7+11/12×2/7 (4)7/8×15+7/8
(3)11/12×5/7+11/12×2/7
(4)7/8×15+7/8

能简算的要简算 (3)11/12×5/7+11/12×2/7 (4)7/8×15+7/8(3)11/12×5/7+11/12×2/7(4)7/8×15+7/8
(3) 11/12x5/7+11/12x2/7
=11/12x(5/7+2/7)
=11/12
(4)7/8x15+7/8
=7/8x(1+15)
=7/8x16
=14

=11/12×(5/7+2/7)
=11/12×1(7/7=1)
=11/12
=
=
=

(3)=11/12x(5/7+2/7)
=11/12x1=11/12
(4)=7/8x15+7/8
=7/8x(1+15)
=7/8x16
=16/8x7
=2x7
=14