登录
1 直接写出得数。
(1) $4×5+4=$
(2) $6÷3+12=$
(3) $12+12÷4=$
(4) $10×2-7=$
(5) $13-5×2=$
(6) $7+3×6=$
(7) $9÷9+12=$
(8) $9+8+7=$
(1) $4×5+4=$
(2) $6÷3+12=$
(3) $12+12÷4=$
(4) $10×2-7=$
(5) $13-5×2=$
(6) $7+3×6=$
(7) $9÷9+12=$
(8) $9+8+7=$
答案
(1) 24 (2) 14 (3) 15 (4) 13 (5) 3 (6) 25 (7) 13 (8) 24
2 先说一说运算顺序，再计算。
(1) $960 - 160 × 3 ÷ 4$
(2) $130 × 6 + 30 ÷ 5$
(3) $560 - 560 ÷ 28 + 120$
(4) $54 + 48 ÷ 4 + 32$
(5) $688 ÷ 8 - 5 × 12$
(6) $42 × 80 ÷ 14 + 28$
(1) $960 - 160 × 3 ÷ 4$
(2) $130 × 6 + 30 ÷ 5$
(3) $560 - 560 ÷ 28 + 120$
(4) $54 + 48 ÷ 4 + 32$
(5) $688 ÷ 8 - 5 × 12$
(6) $42 × 80 ÷ 14 + 28$
答案
(1) 840 (2) 786 (3) 660 (4) 98 (5) 26 (6) 268
