三年级上册脱式计算.doc

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1、三年级上册脱式计算脱式计算 819877 665+774 921+74 = = = = = = 8062 7707+65 807202 = = = = = = 100505 35357 302302 = = = = = = 60083 401005 434255 = = = = = = 60123 648456 640604 = = = = = = 1578 42736 37419= = = = = = 10420 453268 21456 = = = = = =255242 35556 7296 = = = = = = 500(400396) 7295 564+264-453 = = = =

2、 = = 659-450 980+980 9000-(4500+250) = = = = = = 146+45 900(71-68) 1809-7= = = = = = 6453 6700+728 7650-(546+4530) = = = = = = 8(910-720) 760-540+1110 6500+1250-350 = = = = = = 9450-3200-4200 2400645 800 7180 = = = = = = 4000 8 + 350 320864 270 3 9 = = = = = = 630 9 + 320 16002230 8030+5600 = = = =

3、= = 2800+32 6 30069 (6900-2400) 5 = = = = = = 999 9 8 280 4 5 608+1570 = = = = = = 96049 35059 4505+1250 = = = = = = 7515125 309066 (38787)X4 = = = = = = 7505505 (111189)3 1258100 = = = = = = 62500 60(23-17) （729）X8 = = = = = = 187299299 587496674 26602626 = = = = = = 32(322) 300(300222) 65205 = = =

4、 = = 687（9967） 568（100094） 35602090 = = = = = = 96049 35059 4505+1250 = = = = =309066 (387383)X450 7505505 = = = = = = 1258100 62500 81046 = = = = = = 187299299 587496674 26602626 = = = = = = 32X(32+16) 300(300222) 33901095 = = = = = = 16016080 (6900-2400)5 1566+657 = = = = = = 1566+657 6879993 (6900-2400)5 = = = = = = (111189)3 33329 153X6+657 = = = = = = 687（9967） 587496674 26602626 = = = = = = 6453 6700+728 7650-(546+4530) = = = = = = 7 / 7