1) 1800 ÷ 10{(12 - 6) + (24 - 12)}
2) 1/2[{-2(1 + 2)10}15] × 3
3) 20 - [6 - {4 - (8 - 6 + 3)}]
4) According to the BODMAS rule, find out the value of y
36 ÷ 2 + y × 3 - 22 = 8
5) Determine the correct answer for -(1/4 + 7/4) - 2
6) 45 × 3 × 7 × [22/11 + 36/12]
7) Solve this question using the BODMAS rule
2[2 + 2{39 - 2(17 + 2)}]
8) Solve this BODMAS question
(17 × 18) ÷ 10 × 2(2 + 13) - 25
9) Solve this BODMAS question
(3 + 3) × (3 ÷ 3) × (3 × 3)
10) 2550 - [510{270 - (90 - 80 + 70)}]
1)
= 1800 ÷ 10{(12 - 6) + (24 - 12)} = 1800 ÷ 10{6 + 12} = 1800 ÷ 10 × 18 = 180 × 18 = 3240 |
Inner Brackets ( ) Bracket { } Division Multiplication |
2)
= 1/2[{-2(1 + 2)10}15] × 3 = 1/2[{-2(3)10}15] × 3 = 1/2[-60 × 15] × 3 = 1/2 × -900 × 3 = 0.5 × -900 × 3 = 1350 |
Inner Bracket ( ) Inner Bracket { } Bracket [ ] Division Multiplication |
3)
= 20 - [6 - {4 - (8 - 6 + 3)}] = 20 - [6 - {4 - 5}] = 20 - [6 + 1] = 20 - 7 = 13 |
Inner Bracket ( ) Inner Bracket { } Bracket [ ] Subtraction |
4)
36 ÷ 2 + y × 3 - 22 = 8
18 + y × 3 - 22 = 8
18 + 3y - 22 = 8
3y - 4 = 8
3y = 8 + 4
3y = 12
y = 4
5)
= - (1/4 + 7/4) - 2
= - (8/4) - 2
= - 2 - 2
= - 4
6)
= 45 × 3 × 7 × [22/11 + 36/12] By cross multiplication, = 45 × 3 × 7 × [(264 + 396)/132] = 45 × 3 × 7 × [660/132] = 45 × 3 × 7 × 5 = 4725 |
Bracket, Addition Bracket, Addition Bracket, Division Multiplication |
7)
= 2[2 + 2{39 - 2(17 + 2)}] = 2[2 + 2{39 -2 × 19}] = 2[2 + 2{39 - 38}] = 2[2 + 2 × 1] = 2[2 + 2] = 2 × 4 = 8 |
Inner Bracket ( ) Inner Bracket {}, Multiplication Inner Bracket { }, Subtraction Bracket [ ], Multiplication Bracket [ ], Addition Multiplication |
8)
= (17 × 18) ÷ 10 × 2(2 + 13) - 25 = 306 ÷ 10 × 2 × 15 - 25 = 30.6 × 2 × 15 - 25 = 918 - 25 = 893 |
Brackets ( ) Division Multiplication Subtraction |
9)
= (3 + 3) × (3 ÷ 3) × (3 × 3) = 6 × 1 × 9 = 54 |
Brackets ( ) Multiplication |
10)
= 2550 - [510{270 - (90 - 80 +70)}] = 2550 - [510{270 - 80}] = 2550 - [510 × 190] = 2550 - 96900 = -94350 |
Inner Bracket ( ) Inner Bracket { } Bracket [ ] Subtraction |
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM