Matematică
gabi2013
9

Aduceți la numitor comun : 5 supra 12 si 2 supra 15 ; 5 supra 6 si 2 supra 9 ; 1 supra 8 si 7 supra 10 ; 1 supra 2 + 1 supra 4 si 1 supra 8 ; 2 supra 5 + 3 supra 2 si 7 supra 10 Dau Coroana !!

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(1) Răspunsuri
mari789

5/12CU15=CU75/180 2/15CU12=CU24/180 5/6CU3=CU15/18 2/9CU2=CU4/18 1/8CU10=CU10/80 7/10CI 8=CU56/80 1/2CU4=CU4/8 1/4CU2=CU2/8 1/8 RAMANE 4/8+2\8+1\8=7\8 2\5CU2=CU4\10 3/2CU5=CU15\10 7/10 RAMANE 4\10+15\10+7\10=\26\10

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