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Cine ma ajuta sa calulez va rog: a) 24:3×6÷2÷4=?
b) 64+36÷(2+49÷7)=?
c) 100-72÷(8×10-8×9=?
d)[70-63÷(8÷2×7÷4+6÷3)]×5=?
e)[162+24÷(8×4-6×5)]×3-[90-18×(7×9×1-6×10)]=? Ajutatima nu stiu cum sa le calculez:(((( multumesc

Răspuns :

Rudy
A)(8×3)÷4=24÷4=6 B)64+36÷(2+7=64+(36÷9)=64+4=69 C)100-72÷(80-72)=100-72÷8=100-9=92 d)[70-63÷(4×7÷4+2)]×5=[70-63÷(28÷4+2)]×5=[70-63÷(7+2)]×5=(70-63÷9)×5=(70-7)×5=63×5=315 F)[162+24÷(32-30)]×3-[90-18×(63×1-60)]=(162+24÷2)×3-[90-18×(63-60)]=(162+12)×3-(90-18×3)=(174×3-(90-54)=522-36=486

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