小學四年級數(shù)學上冊脫式計算練習題

5757x12-560-35 848-640-16x12 (420+48)-(375-345)小學四年級數(shù)學上冊脫式計算練習題2800彳100+789 (947-599)+7x64 (80-25)X2(39-21)x(396-6)(93+25x21)x9 (39-21)x(396-6)507-13x63+498384-12+3x312337—(7+6)x30960960彳(1500-32x45) (12+24+80)x50 63+84x2-4224002400-80-14x2 142-54-9+14 16x76-76x645+240-1215x7+85x7(46-20)x30-90450-2450-2x(16+9) 420彳(205-198)x4 (960—400):70(140-70)x5463+84x2:42 490:7+24x5(142-54:9+142400:80-14x2 (420+48):(375-345)(420+48):(375-345)420:(205-198)x4 16x76-76x6450-2x(16+9) 450-2x(16+9) 125義(8義4)又5 63+84x2-42490-7+24x5(46-20)x30-9015x7+85x7490-7+24x5(46-20)x30-9015x7+85x72400-80-14x2 142-54-9+14 16x76-76x6450-2x(16+9)420-(205-198)X4460-(29-18-3)25-13x(266-250) 55+720+(40-35) 45-20x3-425-13x(266-250) 55+720+(40-35) 45-20x3-4(38+42)x(525+35)340-240-20x5(58+12)x(96+8)36x4+27x3 (135-25)+40x6(338+89-19)+3469x(800-700)+5206x3-128+4(482-42)+22-17168-12-48-12 182-13+208-13 525-21-378-21168-12-48-12 182-13+208-13 525-21-378-21140-20x5+25 20x30+20x40 25x(30+10)140-20x5+25 20x30+20x40 25x(30+10)32x5x6-648+42-6-1260-(303+3)31x13-228-19345-(128-531-9)80-2+100-5800-40-400-40 600-(120-60) (26+14)x70800-40-400-40 600-(120-60) (26+14)x70180-(36-12)+6 450-15+10x3 (350-80)180-(36-12)+6 450-15+10x3 (350-80)-9(26+14)x(70-40)(35+45)-(90-10)125x47-47x256x10-(21+29)80-(32+8)x300120-36x4-18+35(40+180-30)x2 (240+180)-(30x2) 800-800-80x30(40+180-30)x2 (240+180)-(30x2) 800-800-80x3039x8-6x39 326x78-326x68 120x90-110x9039x8-6x39 326x78-326x68 120x90-110x90800-(70x6+180)65x(40+20x3)36+360-125x121+79x545x6+35x667x5-37x5125x(8+4) 12x(40-5) 5x27+63x5125x(8+4) 12x(40-5) 5x27+63x548x101-48 65x5+35x5 49x25x848x101-48 65x5+35x5 49x25x864x9-14x964x9-14x923x134-34x2368x48+68x5279x32+79x68 67x101-67 256x7-56x779x32+79x68 67x101-67 256x7-56x7(75+25-5)-