miraculousdollh
20.09.2020 •
Mathematics
Can you answer these ??
3 + 30 ÷ 5 × 24 +5 = ?
72 ÷ 8 × 5 – 4 + 1 = ?
2.5 × ( 16 ÷ 4 ) + ( 128 – 93 ) = ?
2 × (8 + 7) = ?
18.6 × 30 – 95 = ?
{15+[2x(17-12)+8] ÷2} x 5
75-{108÷[6x(11-9)]x6}+15
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Ответ:
3 + 30 ÷ 5 × 24 + 5
= 3 + 30 ÷ 120 + 5
= 3 + 0.25 + 5
= 3.25 + 5
= 8.25
72 ÷ 8 × 5 - 4 + 1
= 72 ÷ 40 - 4 + 1
= 1.8 - 4 + 1
= 1.8 - 5
= -3.2
2.5 × ( 16 ÷ 4 ) + ( 128 – 93 )
= 2.5 × 4 + ( 128 – 93 )
= 2.5 × 4 + 35
= 10 + 35
= 45
2 × (8 + 7)
= 2 × 15
= 30
18.6 × 30 - 95
= 558 - 95
= 463
I hope it helps!
Ответ: