3(7×1-1)/4-(2×1-1-1/2)
Answers
Answered by
0
Answer:
Step-by-step explanation:
=> (21*3-3)/4-2*-1+1+1/2
=> (63-3)/4+2+1+1/2
=>60/4+3+0.5
=>15+3.5
=>18.5
Answered by
0
Answer:
4.5
Step-by-step explanation:
3(7×1-1)÷4-(2×1-1-1/2)
3(7-1)÷4-(2-2/2)
3(6)÷4-(0/2)
18÷4-0
18÷4
4.5
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