-
. z
824÷4×3 〔601-246〕÷5 201+232-365
=
= = =
56÷7＋36÷6 500×(400－396) 72÷9－5
= = =
= = =
564+264-453 7650-(546+4530) 65×9-450
= = =
= = =
9×80+980 9000-(4500+250) 6700+72÷8
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. z
= = =
= = =
14×6+9×5 900÷(71-68) 180÷9-42÷6
= = =
= = =
12÷6＋45×3 8×(910-720) 760-540+1110
= = =
= = =
6500+1250-3500 80×30+5600 9450-3200-4200
= = =
= = =
2400÷6－45 800× 7－180 1600÷2＋230
= = =
= = =
4000 ÷ 8 + 350 320÷8＋64 270 ÷ 3 ×9
= = =
=
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