三年级下册脱式计算500题60123 648456 640604 = = = = =567366 500(400396) 7295= = = = =564+264-453 7650-(546+4530) 659-450= = = = =980+980 9000-(4500+250) 6700+728= = = = =146+95 900(71-68) 1809-426= = = = =25x8x9 （601-246）5 201+232-365= = = = =(25+33)X26 2+3x56= 63x147-198= = = = =735-35x12= 540(65-59) 789-13x45= = = = =224221 213410 402174= = = = =（25+32）13 （52+18）34 （17+34）29= = = = = 37+1648 65+1152 56+3782= = = = = 61+1253 43+2133 45+3225= = = = = 38+2533 48+5229 87+3519= = = = = 99+4617 44+8123 （31+98）26= = = = = 38+347 67+8159 99+545= = = = = 56+5627 190+1826 41+5117= = = = = 96+7224 98+5537 37+4327= = = = = 32+5816 25+6723 44+8826= = = = = 99+6523 89+7836 48+6349= = = = = 56+8947 35+4928 47+9949= = = = = 58+8532 49+6532 79+9252= = = = = 39+8325 89+5656 88+3844= = = = = 125+8227 152+5843 117+5827= = = = = 126453 8(910-720) 760-540+1110= = = = =6500+1250-3500 8030+5600 9450-3200-4200= = = = =2400645 800 7180 16002230 = = = = =4000 8 + 350 320864 270 3 9= = = = =630 9 + 320 2800+32 6 30069 = = = = = (6900-2400) 5 （729）(568) 54 9 8= = = = =280 4 5 608+1570 60(23-17) = = = = =96049 35059 4505+1250 = = = = =(6900-2400)5 7515205 309066= = = = =(387387)0 16016080 7505505= = = = =(111189)3 1258100 62500 = = = = =(17)(166) 81044 331149= = = = =187299299 587496674 26602626= = = = =153153+657 32(3216) 300(300222)=