三年级数学脱式计算题400题

1 脱式计算(三年级暑假作业) 132+12×37 250+23×38 440+13×36 199+25×89 = = = = = = = = 819+49×90 418+57×67 516+27×36 315+57×34 = = = = = = = = 32+65×37 850+27×38 269+85×39 215+35×47 = = = = = = = = 652+78×36 107+29×64 307+77×83 635+57×86 = = = = = = = = 556+38×87 671+92×23 493+18×67 465+85×34 = = = = = = = = 824÷4×3 (601-246)÷5 201+232-365 (25+38)×15 = = = = = = = = (59-187)÷3 1500-125×8 25×8×9 (601-246)÷5 = = = = = = = = 201+232-365 (25+33)×26 2+3×56 63×147-198 = = = = = = = = 2 735-35×12 540÷(65-59) 789-13×45 22×4+221 = = = = = = = = 21×3+410 40÷2+174 147+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 56÷7+36÷6 = = = = = = = = 500×(400-396) 72÷9-5 564+264-453 7650-(546+4530) = = = = = = = = 3 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 = = = = = = = = 9450-3200-4200 2400÷6-45 800× 7-180 1600÷2+230 = = = = = = = = 4000 ÷ 8 + 350 320÷8+64 270 ÷ 3 ×9 630 ÷ 9 + 320 = = = = = = = = 2800+32× 6 300÷6×9 (6900-2400)÷ 5 (72÷9)÷(56÷8) = = = = = = = = 54 ÷ 9 ×8 280× 4 ÷5 60×8+1570 60×(23-17) = = = = = = = = 22×4+221 21×3+410 40÷2+174 147+72÷8 = = = = = = = = 4 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 = = = ...