4 脱式计算 824÷4x3 (601-246)÷5 201+232-365 = = = = = = (25+38)x15 (59-187)÷3 1500-125x8 = = = = = = 25x8x9 (601-246)÷5 201+232-365 = = = = = = (25+33)X26 2+3x56= 63x147-198= = = = = = = 735-35x12= 540÷(65-59) 789-13x45 = = = = = = 22×4+221 21×3+410 40÷2+174 5 = = = = = = 147+72÷8 9×4+420 2×80÷4 = = = = = = 120×5÷2 202+36÷9 30÷5+240 = = = = = = 81÷9+877 66×5+774 921+7×4 = = = = = = 80×6×2 770÷7+65 807+20÷2 = = = = = = 100-50÷5 35-35÷7 302+30×2 = = = = = = 600×8÷3 40+100÷5 434+25×5 = = = = = = 60-12×3 64÷8+456 640+60×4 = = = = = = 6 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 = = = = = = 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 9450-3200-4