499 * 4.12 ÷ 9.89 – 319. 78 ÷ 3.88 – 8. 122 =?
a) 36
b) 60
c) 72
d) 56
e) 48
Sol:
499 * 4.12 ÷ 9.89 – 319. 78 ÷ 3.88 – 8. 122 = ?
500 * 4 ÷ 10 – 320 ÷ 4 – 82 = ?
200 – 80 – 64 = ?
? = 56
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