1. in a mathematical sentence 5×6+(20÷5)-8=N, which expression should be done first? a. 5×6 b. 6+20 c. 20÷5 d . 5 - 8
3.what is the value of n in 18 -10 + 7 = n ?
A.+ b.- c.× b. ÷
4.in 8×2+4-10=n, what number will make the mathematical sentence true?
a. 20 b. 15 c. 10 d. 5
5.given the expression 6×9÷3-14+10=N, what operation should be done first
a. addition b. division c. multiplication d. subtraction
3.what is the value of n in 18 -10 + 7 = n ?
A.+ b.- c.× b. ÷
4.in 8×2+4-10=n, what number will make the mathematical sentence true?
a. 20 b. 15 c. 10 d. 5
5.given the expression 6×9÷3-14+10=N, what operation should be done first
a. addition b. division c. multiplication d. subtraction
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